根据句意从括号中选择适当的词填空，使各句语法正确。

Alice and ______ (his, her) sister are interested in birds．

根据句意从括号中选择适当的词填空，使各句语法正确。

They ______ (read, are reading) English now．

根据句意从括号中选择适当的词填空，使各句语法正确。

My mother waters the flowers ______ (in, on) the garden every morning．

根据句意从括号中选择适当的词填空，使各句语法正确。

He is ______ (interested, interest) in dogs．

根据句意从括号中选择适当的词填空，使各句语法正确。

Your father ______ (go, goes) fishing every day．

根据句意从括号中选择适当的词填空，使各句语法正确。

My mother’s hobby is ______ (collect, collecting) stamps．

根据句意从括号中选择适当的词填空，使各句语法正确。

I’m _______ (at, in) Class one, Grade Two.

根据句意从括号中选择适当的词填空，使各句语法正确。

How many ______ (classes, class) does she have in the morning?

根据句意从括号中选择适当的词填空，使各句语法正确。

We have our lessons ______ (on, in) our classroom.

根据句意从括号中选择适当的词填空，使各句语法正确。

Wa study ______ (in, at) Beijing No. 23 Middle School.