--Why were you not at the concert last night?--I _______a close game between Seattle and Miami.
#100375
A
watched
B
had watched
C
have been watching
D
was watching
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The fans ______ to see the pop singer the whole afternoon, and they won’t leave until he turns up.
#99793
A
have been waiting
B
waited
C
had waited
D
would have waited
Social attention should be paid our earth from .
#102039
A
to prevent; being polluted
B
to preventing; polluted
C
to prevent; polluting
D
to preventing; being polluted
My watch _____ at nine o’clock, but now it _____.
#101326
A
was going; stopped
B
went; is stopping
C
was going; has stopped
D
went; stopped
I am disappointed because I ______________my favourite writer yet.
#99547
A
didn’t see
B
haven’t seen
C
don’t see
D
have not been seeing
-Why does the Lake smell terrible?-Because large quantities of water__________.
#104945
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted