— What a new computer! Can you tell me _________? — Just the day before yesterday.
| A．how much you paid for it | B．how much did you pay for it |
| C．when you bought it | D．when did you buy it |
---Do you know how to use this word?
----Sorry, but why not _______in the dictionary.
| A．make it up | B．make up it |
| C．look up it | D．look it up |
Doctors advise us ________masks on such hazy days.
| A．wear | B．wearing |
| C．to wear | D．worn |
----Who _____the good idea at the meeting? ----Tom did.
| A．thinks up |
| B．looked forward to |
| C．came up with |
| D．dreamed of |
---Tom, did you go to Sally’s party yesterday evening?
----No, because I _________.
| A．am invited |
| B．was invited |
| C．am not invited |
| D．wasn’t invited |
The foreigners find _____difficult to learn Chinese well.
| A．this | B．that | C．it | D．those |