Everyone should play a part in _____the earth.
#55757
A
save
B
saves
C
saving
D
saved
推荐题目
My father goes _____ after supper. He also takes some other _____.
#57115
A
to walk; exercises
B
for a walk; exercise
C
to a walk; exercises
D
for walk; exercise
we were playing basketball on the playground, it began to rain.
#52031
A
While
B
After
C
Before
D
Since
My son ____ coke , but now he ______ milk.
#62990
A
used to drink; is used to drinking
B
used to drinking; drinks
C
used to drink used to drink
D
used to drink; is drinking