Sarah pretended to  be cheerful, _____ nothing about the  argument.    

用所给词的适当形式填空。

The retired man donated (捐赠)  most of  his savings to the school damaged by the earthquake in
Yushu, ______ the students to return to their classrooms.     

Seeing the sun ______ above the surface of the sea,we let out a cry ofexcitement.

"Mike is  _____, Mum," said his little sister. " That is not my fault, noticed some broken toys ____ on the floor, so I picked them up and _____  them on the chair.

The missing boy was last seen ____ near  the river. 

Don't have the water _____ while you  brush your teeth.     

— Where has Tom gone?     
— He was seen _____ football on the playground a few minutes  ago.  

A resident spotted a man _____ in his car_____ the explosion andnotified the police.