1,a small stone struck the windshield while we ....... down the gravel road
a,drive b,were driving c,had driven d,had been driving
2,andy ......out of the restaurant when he ......jenny
a,came/saw b,is coming / saw c,came /was seeing d,was coming/had seen
3,you had better .......at home untill you fell better
a,staying b,stayed c.to stay d,stay
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Sinh Học lớp 12
