Don’t take the lift in a fire because the lift __________ become trapped between floors.
#88184
A
must
B
may
C
would
D
should
推荐题目
 But for water,it ______ possible to live in the desert.
#86913
A
is    
B
was
C
were
D
wouldn't be
--How dangerous it was ! ---Yes, but for the passer-by’s quick action,the girl _____ .
#87135
A
had been drowned
B
might be drowned
C
would have been drowned
D
must have been drowned
Do you think he is lazy?” “I _____ so once, but I don’t now.”
#88172
A
may have thought
B
can have thought
C
may think
D
might think