---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
They all think the problem needn’t _________. It isn’t worth _________ at all.
#44698
A
discussing; discussing
B
to be discussed; discussing
C
be discussed; discussing
D
to be discussed; being discussed
—I ___________ a science fiction from the library．—Really ? How long ________ it _________
#45001
A
was borrowed，has been kept
B
have borrowed，has been kept
C
borrowed，was kept
D
lent，has kept
The elderly should _________ politely. Also, they must ___________ well.
#44822
A
speak, take care of
B
be spoken, be taken care
C
be spoken to, be looked after
D
be spoken to, be taken care of
These photos _______ by my sister on Mount Tai last summer.
#45007
A
take
B
took
C
are taken
D
were taken