1. _____________ (没有什么可做)，we played games．

2．He not only __________ (把枯燥的工作强加给我)，but also took away all our tips．

3. ___________ (在这种情况下)，I couldn't go away．

4．The population of Africa is growing _________(极其迅速)

5．The girl is too young to _____________(和她的父母分开)．

1．答案：There being nothing to do

[解析] 独立主格结构：there + being+其他成分，多放在句首。

2．答案：imposed dull work on me

[解析] 1)词组：impose…on sb．(把……强加给某人)

    2)时态：根据后半句，前半句也应使用一般过去时。

3．答案：Under/In the/these circumstances

[解析] 词组：under/in the/these circumstances(在这种情况下)

4．答案：by/in leaps and bounds

[解析] 词组：by/in leaps and bounds(极其迅速)

5．答案：be separated from her parents

[解析] 1)语态：主语是the girl，应使用被动语态。

    2)词组：separate sb．/sth．from/使某人/某物与……分离)