With more and more new drugs________，doctors don’t find it difficult to treat patients.
| A．develop |
| B．developed |
| C．to develop |
| D．being developed |
--- My son is learning English. What dictionary shall I buy for him?
--- What about this one? It is __________ for beginners.
| A．intended | B．operated | C．offered | D．delivered |
The president spoke at the business meeting for nearly an hour without _________ his notes.
| A．bringing up | B．referring to | C．reacting to | D．trying on |
---We’ll have a math exam this afternoon.
---_________.
| A．Take it easy | B．Have a good time |
| C．Wish you good luck | D．Congratulations to you |
---What is she afraid of?
---______in public.
| A．To speak | B．Speaking | C．Speaks | D．Spoke |
Let’s visit the National Museum this weekend, _______?
| A．will you | B．won’t we | C．don’t we | D．shall we |