分类：教育/科学-学习帮助
问题：用适当的并列连词或从属连词填空，使句意完整1.Idon'tkno 
1.I don't know _____ she will be ae to solver the problem. 2.______ he is very rich, he is not happy every day. 3.He went to bed too late last night, ______ he got up late today. 
回答：1.I don't know (if/whether) she will be able to 
solver the problem. 
2.(Though) he is very rich, he is not happy 
every day. 
3.He went to bed too late last night, (so)
he got up late today.