—Did you watch the basketball match yesterday?—Yes, I did. You know, my brother _________ in the match. 
#104598
A
is playing
B
was playing
C
has played
D
had played
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All but one____take part in the conference____tomorrow. 
#104648
A
is going to; that is to take place
B
are going to; that is about to take place
C
are going to; that is to be taken place
D
are going to; which is to be held
We all think it is Jack as well as his wife that______ for their son’s bad manners in public.
#102521
A
are to blame
B
is to be blamed
C
are to be blamed
D
is to blame
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
—Are they about to have dinner?—Yes, it ________ in the dinning room.
#101633
A
is serving
B
is served
C
is being served
D
serve