The light is still on. They ___ to turn it off when they left the room.
#87772
A
must forget
B
could have forgotten
C
may forget
D
must have forgotten
推荐题目
– Mum, would you please buy me a MP5 player?– If you can help do the dishes the whole vacation，you________have one as a reward·
#88190
A
must
B
need
C
would
D
shall
I can’t believe that anyone else in the school can swim as fast as you, ________?
#87473
A
can I
B
can't they
C
can't you
D
can they
According to the air traffic rules, you ___ switch off your mobile phone before boarding.
#87048
A
may
B
can
C
would
D
shall