– has he lived in Canada? --Since 1998.
| A．How soon | B．How far | C．How long | D．How often |
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 |
--- Do you know _____ will teach us English next term?--- Miss Li.
| A．what | B．which | C．where | D．who |