In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.
| A．signal | B．chance | C．mark | D．measure |
The time and effort he has devoted during the past few years _____ trees in that village are now considered to be very important.
| A．to planting | B．to plant | C．plant | D．planting |
— So you have met Maria?
— Yes, it was last week ______ we attended Jack’s party.
| A．where | B．that | C．when | D．why |
Now that their parents are dead, the poor boy doesn’t know ________ the money they left.
| A．how to do with | B．what to do with | C．to do what with | D．how he will do with |
It is said that the World Golf Championships (世界高尔夫球锦标赛) to be held in Shanghai will be ______ on TV.
| A．broadcast alive | B．broadcasting live | C．broadcast live | D．broadcasting alive |
Is this research centre _____ is full of modern equipment you always mention.
| A．where | B．that | C．the one that | D．the one where |