Tom,____(cheer)for our basketball team.The teacher made us ___(sing)all the way.We ____(work)until 11 o'clock this morning.Look!Some winners ____(laugh)there.
问题描述：
Tom,____(cheer)for our basketball team.The teacher made us ___(sing)all the way.
We ____(work)until 11 o'clock this morning.Look!Some winners ____(laugh)there.
答
1.cheer（祈使句,用原形）
2.sing （make sb do sth 让某人做某事）
3.have been working（用现在完成进行时）
4.are looking (根据look,用现在进行时态)
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