---When shall we leave for Shanghai?
---We won’t we have visited all the places of interest in Nanjing.
| A．until | B．while | C．as | D．since |
Thank you for _______ us around Radio Beijing.
| A．to take | B．take | C．taking | D．taken |
All of us found ________difficult to work out the maths problem.
| A．what | B．that | C．which | D．it |
The house price is going up _______.
| A．year and year | B．year after year | C．year to year | D．year by year |
How did you know ____
| A．what time does the meeting start ? | B．why didn’t he come to meeting ? |
| C．where they have the meeting ? | D．who talked at the meeting ? |
---- How many students are there in the classroom? --- _______.
| A．No | B．No one | C．None | D．Nobody |