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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I＿＿＿＿＿＿＿＿you a beautiful present for your birthday,but I was short of money at that time.
#89910
A
would buy
B
had bought
C
would like to have bought
D
must have bought
—Pity you missed the lecture on nuclear pollution.—I________it, but I was busy preparing for a job interview.(2011·福建)
#86359
A
attended
B
had attended
C
would attend
D
would have attended
－Mom’s gift? She _______ have chosen a better one for me.－She must be very happy to know it.
#87941
A
should
B
might
C
couldn’t
D
mustn’t
—— Will you stay for lunch? —— Sorry, ＿＿＿＿＿. My brother is coming to see me.
#89624
A
I mustn’t
B
I can’t
C
I needn’t
D
?won’t