My parents have promised to come to see

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问题选择题

My parents have promised to come to see me before I ____for Africa.

A．have left

B．leave

C．left

D．will leave

答案

答案：A

考查时态.句意:我的父母许诺在我动身去非洲前来看我.可知从句描述的是在某个时间点前完成的动作,故用完成时态,选A.

单项选择题

表面棕褐色，有小瘤状突起的侧根

A．狗脊
B．大黄
C．川乌
D．白芷
E．黄芩

句型转换

句型转换。

1. The students are listening to the teacher. (对画线部分提问)

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2. What is the weather like? (同义句)

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3. He sleeps nine hours every night. (对画线部分提问)

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4. We don't play soccer every day. (用now 改为现在进行时)

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5. She does her homework in the evening. (改为否定句)

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