Sorry, I am too busy now. If I ____ time, I would certainly go for an outing with you.
| A．have had | B．had had | C．have | D．had |
Dear me！ Just _____ at the time！ I _____ no idea it was so late.
| A．look, have | B．looking, had | C．look, had | D．looking, have |
-----Haven’t seen you for ages！ Do you still work in Guangzhou？
-------_______. It’s two years since I worked there.
| A．Yes, I have | B．Yes, I do | C．No, I haven’t | D．No, I don’t |
Would you like to remind me _______ the medicine tomorrow?
| A．of taking | B．taking | C．to take | D．take |
The theory he sticks to ______ to be of no use in our studies.
| A．proves | B．prove | C．proving | D．be proved |
____ that caused him to serve dinner an hour later than usual.
| A．It was we being late | B．It was our being late |
| C．It was we were too late | D．It was because we were late |