—How clean the room is! —Yes，I am sure that someone _______ it.
A. cleansB. cleaned
C. has cleanedD. had cleaned
________ mothers can't come to the meeting because they have gone to Dalian.
A. Sally's and Jane B. Sally and Jane's
C. Sally and Janes' D. Sally’s and Jane's
—Where is Lily？ —Oh, she _______the volleyball match on the playground.
A. is watchingB. will watch
C. watches D. watched
The Olympic Games of 2016 will____ in Brazil.
A. take afterB. take off
C. take placeD. take away
— A Boeing 777-200 plane became lost in communication (失去联系) at midnight the early morning of March 8th．
—I was amazed(震惊) to hear that.
A. onB. inC. atD. of
— How is the _______ in Tiandong?
— It’s getting worse and worse. There are always long lines of cars on roads.
A. cultureB. foodC. weather D. traffic
