TASK DEFINITION: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 
PROBLEM: A man in yellow glasses takes a drink out of a water bottle. People are running across a finish line of a race. someone <sep> (A) falls back on the sand and gets trampled. (B) puts a medal around another person's neck. (C) crashes into the backstretch lane. (D) holds up crumpled sticky things.

SOLUTION: B

PROBLEM: [header] How to prepare for ielts speaking test [title] Relax and speak as confidently as you can. Candidates who are not able to participate fully in the conversation * may not achieve their potential band score. [step] This may be because they haven't been able to demonstrate the level of language they are capable of producing. <sep> (A) This is why in order to start impressing new people you'll have to start communicating clearly and become relaxed in front of new friends and family. [title] Help the staff in every conversation about the band's. (B) Chances are they have not gotten the chance to have the opportunity to prove themselves. [title] Get to know your supervisors on a regular basis. (C) [title] Learn how the speaking component is assessed : [step] The aim of the test is to assess your ability to communicate effectively. The interviewer considers this ability in four different ways : [substeps] Fluency and coherence: this measures your ability to speak without too many pauses and hesitations. (D) You are simply not strong enough to produce the best sound but must cultivate more. If you are too nervous to speak clearly you'll be able to unintentionally undermine the composition of your speech.

SOLUTION: C

PROBLEM: [header] How to weld underwater [title] Identify the site and material of the joint to be welded and clean it. [step] Most underwater welds involve steel, but metals may vary. [title] Prepare a chamber to place around the joint (each joint should have a separate chamber). <sep> (A) [step] Much of the sand used during welding will stick to metal, so consider covering the ground with sand if your project requires a flat surface. [title] Waste all the sand that is taken up by the joint. (B) [title] Find a weld compound for the joint to rest in and sandpaper those joints which are closely joined to one another for proper welder techniques. [title] Hammer the joints together using 100/200 grit sandpaper. (C) [step] Chambers range in size-some are large enough to fit several welder-divers, others are only small enough for the welding electrode. [title] Introduce gas into the chamber and pump out the water. (D) [title] Use coarse sand (also also known as regular sand) which should be used sparingly. [step] Sand is mineral grade, free from dirt and grease, making it easier to weld against the cliffs.

SOLUTION:
C