— ____ do you clean the classroom?— Three times a day.
#59294
A
How long
B
How often
C
How soon
D
How many
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—Dad, why must I stop ______ computer games?—For your health, my boy.
#51975
A
play
B
to play
C
to playing
D
playing
I ____________ some clothes to charity because they are too small for me.
#52436
A
gave away
B
gave out
C
gave up
D
gave in
We should do what we can ___ the endangered animals.----Yes,it’s our duty them.
#53799
A
save; to protect
B
save; protect
C
to save; protect
D
to save; to protect
Though Mandela﹙曼德拉﹚____27 years in prison﹙监狱﹚, he thought it meaningful.
#55527
A
planned
B
spent
C
happened
D
waited