Many people worry that air pollution might       changes in the weather around the world.
#65174
A
add to
B
lead to
C
turn to
D
belong to
推荐题目
Strict measures have to be ______ to protect______ children from family abuses. 
#66048
A
adapted; adopted
B
adopted; adopted
C
adjusted; adjusted
D
attached; adopted
 Astronaut as he was, he didn’t know _______ he had to _______ in outer space.
#73264
A
how; deal with
B
what; deal with
C
how; do with
D
what; be done with