On the 40th Earth Day, Dr Wang gave us a talk on the importance of ______ the earth.
#62713
A
practicing
B
preventing
C
polluting
D
protecting
推荐题目
--How long have you been in London? ---_________.
#53926
A
Three times
B
I was there for a week
C
I’ve just arrived
D
I’d been there for a month
-- What do you think of the song “My Heart Will Go On ”?-- It __________wonderful. I like it.
#59940
A
looks
B
feels
C
smells
D
sounds
Bees always remember ________back the same way _______they went.
#55255
A
coming; from
B
coming; as
C
to come; as
D
to come ;from
To _________ nature is to help ourselves , or we will be punished.
#63335
A
protect
B
prevent
C
provide
D
pollute