用动词的适当形式填空。

Mother told me ________(wash)the clothes at home．

用动词的适当形式填空。

Mr．Green ________(not go)home until he finished his work．

用动词的适当形式填空。

________(not drop)litter carelessly．

用动词的适当形式填空。

If more and more wetlands ________(disappear), there ________(be)less and less space for plants, animals and birds．

用动词的适当形式填空。

They ________(see)many different kinds of birds at Beijing Wildlife Park yesterday．

用动词的适当形式填空。

We ________(have)pizza for dinner tonight．

用动词的适当形式填空。

The meeting ________(start)at 8∶30 am and ________(finish)at 3∶30 p.m．

用下面词的适当形式填空。

Walk ________ in the library, you should keep ________(quiet)．

用下面词的适当形式填空。

Please take ________ care of the little bird．It can sing ________(good)．

用下面词的适当形式填空。

There was a ________ rain last night．When I got home, it was raining ________(heavy)．