— Could you please do some shopping for me, Mary?— Sorry, I ______ my homework.
#42147
A
do
B
am doing
C
have done
D
was doing
推荐题目
—Your father isn’t in. Where is he?He Beijing on business.
#41940
A
goes to
B
has gone to
C
went
D
has been to
Many accidents _________ by careless drivers last year .
#39725
A
are caused
B
were caused
C
have caused
D
will cause
–I called you yesterday afternoon, but you were not at home.--Sorry, I _________ some shopping with my mother then .
#36613
A
is doing
B
do
C
was doing
D
will do
— Hi, Nancy. Shall we go to France for the long holiday?— Sorry, Kate and I ______ there twice.
#36200
A
be
B
were
C
have been
D
will be