用括号内所给单词的适当形式填空1.Iheardagirl

问题详情：

用括号内所给单词的适当形式填空

1. I heard a girl _______ (sing) when I passed the room.

2. Why don’t we_______ (have) a picnic this afternoon?

3. Little Jack promised ______ (play) the piano for two hours.

4. My sister was the _______ (two) girl to arrive at the classroom this morning.

5. Mr Li never allows his son _______ (swim) in the river alone.

【回答】

1. singing 2. have 3. to play 4. second 5. to swim

知识点：语法填空

题型：完成句子