warframe小丑甲任务:帮我填下:请用所给动词的适当时态填空

来源:百度文库 编辑:高校问答 时间:2024/05/06 01:25:46
1 This is the third time that I ____(visit) the Science Museum.
2 At present many scientists ____(make)a study of living things in the ocean.
3--Is there anything wrong?
--No, So far I___(have) no trouble.
4 Don't worry. Your son___(come)back in a minute .
5 The Marathon Race____(become) one of the most popular sport events for ordinary people in the past few years.

不一定要全帮我解决,能解决几题是几题,谢拉

1 have visited
2 make
3 haven't
4 will come
5 has become

1. have visited
2. are making
3. have had
4. is coming
5. has become

1.have invited
2.are making
3. have had
4. will come
5. has become

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