We________on this project for four hours.Let's have a rest.
#99184
A
are working
B
have been working
C
worked
D
had worked
—You've left the light on.—Oh.So I have.________and turn it off.
#99186
A
I'll go
B
I've gone
C
I go
D
I'm going
—I'm not finished with my dinner yet.—But our friends________for us.
#99187
A
will wait
B
wait
C
have waited
D
are waiting
 Let's go out now. It ________ any more.
#99189
A
didn't rain
B
doesn't rain
C
won't rain
D
isn't raining
Teenagers________their health because they play computer games too much.
#99190
A
have damaged
B
are damaging
C
damaged
D
will damage
It seldom________here but it________heavily these days.
#99194
A
snows;snows
B
snows;is snowing
C
is snowing;is snowing
D
is snowing;snows
—I________the failure was your fault.—Yes,I see.You only want to learn the details.
#99195
A
didn't think
B
was not explaining
C
am not suggesting
D
haven't expected
—Did Tom live here?—Yes,but he________here now. 
#99196
A
isn't live
B
hadn't lived
C
isn't living
D
will live
—Are you still busy?—Yes,I________my work,and it won't take long.
#99197
A
just finish
B
am just finishing
C
have just finished
D
am just going to finish
—The food here is nice enough.—My friend________me a right place.
#99199
A
introduces
B
introduced
C
had introduced
D
was introducing
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