Children _______ sit in the front seat of a car. It’s too dangerous.
#36775
A
need
B
needn’t
C
must
D
mustn’t
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---I called you yesterday evening, but no one answered.---Oh, I ____ shopping with my mother.
#39952
A
go
B
goes
C
went
D
gone
A lot of trees________ around here every year, and we can enjoy fresher air now.
#39126
A
were planted
B
are planted
C
will planted
D
are planting
—You ______ this new i—pad yesterday, right?—No. I ______ it for a month. It works well, I think.
#36142
A
have had, had
B
bought, have bought
C
bought, have had
D
had, have bought