77．The retired worker is very ___________(热心的)aboue neighborhood affairs．

将答案答在每题后面的答题处。

76．He takes up _____________(科学的)studies.

35．In the reading room we found her ______ at a desk, with her attention _____ on a book．

A．sitting；fixing 　　　　　　　　　　　　　　　　　　 B．sit；fixed

C．seated；be fixed 　　　　　　　　　　　　　　　　　　　 D．seated；fixed

34．Last night Bill returned home his office to find his sister _______unconsciously beside the sofa.

A．laying 　　　　　　　　　 B．laid　 　　　　　　　　　　 C．lying 　　　　　　　　　　 D．to lie