根据句意，用括号中的单词的适当形式填空。

We will do ________ best to do the work well. (we)

根据句意，用括号中的单词的适当形式填空。

They have lived here all their ________. (life)

根据句意，用括号中的单词的适当形式填空。

He had his breakfast ________, and he went to school that day. (quick)

根据句意，用括号中的单词的适当形式填空。

Li Ping often helps ________ with my English. (I)

根据句意，用括号中的单词的适当形式填空。

The ________ were helping the old man clean the house at that time. (child)

根据句意，用括号中所给单词的适当形式填空。

Which is ________ , the sun or the earth? (big)

根据句意，用括号中所给单词的适当形式填空。

Sunday is the ________ day of the week. (one)

根据句意，用括号中所给单词的适当形式填空。

I think Unit 2 is the ________ in Book Two. (important)

根据句意，用括号中所给单词的适当形式填空。

Can you tell ________ to call me this evening? (he)

根据句意，用括号中所给单词的适当形式填空。

How many ________ are there in your school? (teacher)