Everyone should make a contribution the environment.
#60222
A
to protect
B
to protecting
C
protects
D
protected
推荐题目
— Well, let’s go to visit the Disneyland this Saturday. — That ____ great!
#55628
A
does
B
looks
C
sounds
D
do
Miss Chang plans to drop by her uncle when she reaches Beijing.
#52380
A
call
B
drive to visit
C
e-mail
D
come over to