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
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My suggestion is that you ________ much meat.
#86357
A
wouldn't take
B
shall not take
C
not have
D
won't have
 —Yang Liwei has won great honour for our country. —Who is Yang Liwei?—What a question! It is surprising that ________ the first spaceman in China. 
#89395
A
you didn’t know our national hero
B
to you not to know him
C
you should know nothing about
D
you knew nothing about him
The boy suggested that Tom ______ the problem another way, and Tom’s expression suggested that he_________. 
#87530
A
should solve; agreed
B
solve; agree
C
solved; should agree
D
solved; agreed