The students ______ not to talk loudly in the reading-room.
#41702
A
have told
B
are told
C
will tell
D
are telling
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What ____ you ______ at this time yesterday? 
#41883
A
did ; do
B
is; doing
C
were; doing
D
are ; doing
While I ________to the programs, my mother ________outside.
#38019
A
listened; was washing
B
was listening; washed
C
was listening; was washing
D
was listening; is washing
—China develops so fast.— That’s true. It ______ a lot already. 
#40170
A
changes
B
changed
C
will change.
D
has changed.
Jeff _______the hospital if he feels better in a few days.
#41513
A
leaves
B
left
C
will leave
D
has left