根据句子意思，选出恰当的词，并用其正确的形式填空。

They ________ in Beijing last night.

根据句子意思，选出恰当的词，并用其正确的形式填空。

They worked ________ day and all night.

根据句子意思，选括号中适当的词填空。

I heard him ________ (sings, singing)in the next room.

根据句子意思，选括号中适当的词填空。

Our teacher often ________ (goes, went) to school early in the morning.

根据句子意思，选括号中适当的词填空。

We ________ (go, will go) to the park this afternoon.

根据句子意思，选括号中适当的词填空。

He ________ (has lived, lived) in Beijing since he was born.

根据句子意思，选括号中适当的词填空。

Zhang Ping is ________ (tall , taller) than Li Hong .

根据句子意思，选括号中适当的词填空。

This isn't our classroom . It's ________ (their, theirs ) .

根据句子意思，选括号中适当的词填空。

December is the ________ (twelve , twelfth ) month of the year .

根据句子意思，选括号中适当的词填空。

He is one of my best ________ (friend , friends ) .