He seemed as if he ___ his homework when his mother came in.
#103925
A
did
B
is to be doing
C
were doing
D
be doing
推荐题目
Last month, the Japanese government expressed their thanks for the aid they ______ from China.
#102034
A
receive
B
had received
C
have received
D
are receiving
—How long _______ at this job? —Since 1990.
#99296
A
were you employed
B
have you been employed
C
had you been employed
D
will you be employed
---Would you have helped her had it been possible? ---Yes, but I __________ busy with my work.
#102818
A
was
B
had been
C
have been
D
am
The hostess of the party, who ______ as a doctor for five years, is president of a famous private school.
#102797
A
worked
B
has worked
C
works
D
had worked
—Have you seen your aunt lately? —Yes, in fact I saw her yesterday．I_________ her for several months．
#103857
A
haven’t seen
B
didn’t see
C
hadn’t seen
D
don’t see