---Where’s your mother? ---Oh, she ______ Shanghai on business.
#44748
A
have been to
B
have gone to
C
has been to
D
has gone to
推荐题目
—How often do I need to feed the fish?－They food every day, or they will be hungry.
#44530
A
must give
B
mustn’t give
C
mustn’t be give.
D
must be given
The sick boy ____________ to hospital by the police yesterday.
#44521
A
is taken
B
was taken
C
takes
D
took
It is reported that more schools in Nanjing next year.
#44666
A
will be built
B
were built
C
have built
D
will build