— Tom is never late for work. Why is he absent today ?
— Something _______ to him.
A.must happen | B.should have happened |
C.could have happened | D.must have happened |
Would you please __________ the paper for me and see if there are any obvious mistakes?
A.look around |
B.look into |
C.look up |
D.look through |
It rained heavily in the south,__________ serious flooding in several provinces.
A.caused |
B.having caused |
C.causing |
D.to cause |
According to the recent research, heavy coffee drinking and heart attack is not necessarily __________ and effect.
A.reason |
B.impact |
C.fact |
D.cause |
The following day she didn’t go to the club. __________, she walked her dog in a park nearby.
A.Therefore | B.However | C.Instead | D.Besides |
In the botanical garden we can find a(n) __________ of plants that range from tall trees to small flowers.
A.species | B.group | C.amount | D.variety |