用所给词的适当形式填空

My computer often ________(break)down last year．Now, I have had it repaired already．

用所给词的适当形式填空

Buses have been in ________(serve)since 1935．

用所给词的适当形式填空

These ________(perform)clothes are colorful．

用所给词的适当形式填空

The tourists stood there, listening to the man talking ________(excite)．

用所给词的适当形式填空

We all hope to live in a ________(noise)environment．

用括号内所给词的适当形式填空：

Cao cong ________(weight)an elephant in a clever way．

用括号内所给词的适当形式填空：

The ________(hunt)caught a tiger yesterday．

用括号内所给词的适当形式填空：

The baby was ________(frighten)of the black dog．

用括号内所给词的适当形式填空：

There are two small ________(mouse)in that box．

用括号内所给词的适当形式填空：

I do everything ________(careful)to make it happy and healthy．