19. it easier to stay in touch with us,you'd better keep this card at hand.( )
| A. | Made | B. | To make | C. | Making | D. | Make |
18.Nanjing Yangtse River Bridge was built in the 1960s is now under repair.( )
| A. | who | B. | whose | C. | which | D. | what |
17.-Mum,I'm dying for food.Can we have dinner now?
-Dear,let's wait your dad comes back.( )
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-Dear,let's wait your dad comes back.( )
| A. | when | B. | after | C. | until | D. | while |