---Have you heard of Earth Day? --- Yes, We have only one Earth. We have no choice but ________ it.
#49067
A
protect
B
protected
C
protecting
D
to protect
推荐题目
He looks __________. Give him something__________.
#49643
A
tired; to eat
B
angry; to drink
C
hungry; to eat
D
worried; to do
In recent years, many children are made ______what they are not ________.
#50518
A
to do; interested in
B
to do; interested
C
do; interested
D
do; interested in
Grandpa is growing old. He keeps on the same thing over and over again.
#48625
A
tell
B
tells
C
told
D
telling
It’s good for health to sleep with the windows _______ in hot summer.
#49873
A
close
B
opened
C
closing
D
open