自从你上午离开后，他一直在工作。

4．The proposals they put forward at the meeting were ________________.

他们在会议上提出的建议很重要。

5．I'm ____________ waiting for her to telephone.

我等她的电话都等得不耐烦了。

6．He was forced to flee from his country，______________ at home.

他被迫逃离他的国家，把妻子独自一人留在了家里。

答案　1.Somehow　2.has been bothering me　3.has been working　4.of great significance　5.fed up with　6.leaving his wife alone

Ⅳ.单句语法填空

1．Notices in the waiting room requested that you neither smoke nor ________(spit)．

2．The girl doubled as secretary and ________(reception)．

3．He has a curious habit of ________(scratch) his ear while he speaks.

4．The new discovery of oil is of great ________(significant)to the country's economy.

5．My mother suggested that I should have a ________(system)way of organizing my work.

6．He had to work hard to remain ahead ________ his classmates.

7．I arrived at the shop only ________(find) I'd left all my money at home.

8．I owed ________ to my parents that I went through the hard time after I lost my job.

答案　1.spit　2.receptionist　3.scratching　4.significance　5.systematic

6．of　7.to find　8.it

【知识链接】

1．significance n．意义；意思；重要性；重要意义

She couldn't grasp the full significance of what he had said.

她未能充分领会他那番话的意思。

In my opinion，it is a matter of great significance.

依我看来，这是一个非常重要的问题。