Question: guests can make use of 24-hour front desk, dry cleaning and housekeeping as well as currency exchange, an elevator and a garage.
Answer: --> Guests can make use of 24-hour front desk, dry cleaning and housekeeping as well as currency exchange, an elevator and a garage.

Question: select troubleshooting information and click refresh firefox.
Answer: --> Select Troubleshooting information and click Refresh Firefox.

Question: the surprising thing is that there is quite limited variations in grammatical structures.
Answer:
--> The surprising thing is that there is quite limited variations in grammatical structures.