--- Has James finished his report on his Enquiry Learning yet?\ ---- I’m not sure. He _____ on it last week.
#100330
A
was working
B
has worked
C
worked
D
had worked
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I know Mr Brown; we ______ to each other at an international conference. 
#104666
A
are introduced
B
have been introduced
C
were introduced
D
had been introduced
A fire broke out in the neighborhood last night. By the time the firemen arrived, it    . 
#101011
A
had been put out
B
would put out
C
has been put out
D
was putting out
 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