The research is so designed that once _______ nothing can be done to change it.
A.begins | B.having begun |
C.beginning | D.begun |
Many officials _______ the matter were arrested and would be put in prison.
A.involving in | B.involved in |
C.involved | D.involving |
The next thing he saw was smoke ____from behind the house.
A.rose | B.rising |
C.to rise | D.risen |
The living room is clean and tidy , with a dining table already ____ for a meal to be cooked .
A.laid | B.laying |
C.to lay | D.being laid |
I was so familiar with him that I recognized his voice _____ I picked up the phone .
A.while | B.after |
C.in case | D.the instant |
It sounds like something is wrong with the car’s engine.______, we’d better take it to the garage immediately.
A.Otherwise | B.If not |
C.But for that | D.If so |