---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
The television ________. It doesn’t work now.
#44544
A
must repair
B
was repairing
C
must be repaired
D
has repaired
The number of people invited ______ fifty, but a number of them ______ absent(缺席) for different reasons.
#44499
A
were; was
B
was; was
C
was; were
D
were; were
