英语动词填空题

问题描述:

英语动词填空题
1.I think _____ (ride) to school is good for my health.
2._____(do) homework all by yourself is helpful.
3._____(smile) to others and others will think you are friendly.

1.riding
2.Doing
3.Smile
后面跟be动词,则前面用名字,动词变动名词加“ing”.
后面没有be动词,而是and、or则用原形,“and”、“or”译为“……那么……”、“……否则……”