—The river smells so terrible! How did it come about?—People used to pour dirty water into it.
#51970
A
come out
B
happen
C
run
D
take place
推荐题目
— I have trouble ______ my new computer.— Don’t worry. I will show you ______.
#56927
A
to use, how to use
B
to use, what to use
C
using, what to use it
D
using, how to use it
At present, many people would rather ___________ in the country because there is _________ pollution in the city.
#60476
A
live/more
B
to live/less
C
live/less
D
to live/more
During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.
#53375
A
to be built
B
being built
C
having been built
D
built