----- Have you heard of Earth Day ?----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .
#39398
A
celebrates
B
celebrated
C
is celebrated
D
was celebrated
推荐题目
—Where are you going for your holiday?—Well, we _______ yet.
#42077
A
haven’t decided
B
hadn’t decided
C
don’t decide
D
didn’t decide
If he to the party, he a good time.
#37991
A
goes; has
B
will go; has
C
will go; will have
D
goes; will have
To solve the traffic problem, more and more bridges ____________ across the river every year.
#37206
A
were built
B
will build
C
are built
D
are building
–– How do you like the film AVATAR?–– Great! I _______ such a wonderful film before.
#39669
A
don’t see
B
won’t see
C
have never seen
D
have already seen
—Where did you go last night?—I to go to Li Lei’s birthday party.
#40215
A
asked
B
am asked
C
have been asked
D
was asked