We can see light in his office. He___________ be in his office.
| A．can | B．can't | C．must | D．might |
The reason ______he didn't come was ______he was ill.
| A．why; that | B．that; why |
| C．for that; that | D．for which; what |
We travelled together as far as Chicago, _______ we parted.
| A．when | B．which | C．why | D．where |
Though having discussed it for long, they still haven’t reached an agreementthey should pour more money into the project.
| A．that | B．if | C．whether | D．what |
—Do you know his address?
—No, I also wish I where he .
| A．knew; live | B．knew; lives |
| C．know; lives | D．know; lived |
The reason I am now dissatisfied is I don’t have a clear appreciation of the past.
| A．that; what | B．why; that | C．why; what | D．that; that |