一、用所给单词或词组的适当形式完成句子
that,why,whether,as,because
1.I am not sure he will lend me a hand.
2.The trouble is I am anxious to telephone Mr Smith but I have lost his number.
3.Things are not always they seem to be.
4.I think it is you are doing too much.
5.I’m afraid he is more of a talker than a doer,which is he never finishes anything.
