---What _________ to the building?   ---It _________ when all the people were sleeping. 
#56521
A
has happened; was broken in
B
was happening; was broken down
C
was happened; broke into
D
happened; was broken into
推荐题目
The president _____ all people _____ our environment. 
#54151
A
urge, protect
B
urged, to protect
C
urges, protect
D
urged, protect
Usually soft colors make people __________. 
#59590
A
relaxing
B
relaxed
C
exciting
D
excited
When you have difficulty, do remember to _________. Two heads are better than one.
#61973
A
make a decision
B
give up
C
ask for help
D
give advice
—How ____ can I ____ the books?—Three weeks.
#55059
A
long; borrow
B
often; borrow
C
long; keep
D
often; borrow