“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
| A．must be | B．must have been | C．might be | D．can have been |
Everything was perfect for the picnic _____ the weather.
| A．in place of | B．as well as | C．except for | D．in case of |
The course normally attracts 20 students per year, ________up to half will be from overseas.
| A．in which | B．for whom | C．with which | D．of whom |
____ red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened.
| A．As | B．Since | C．If | D．While |
This is the second time that the top 10 list of popular novels _____ published by this magazine.
| A．has been | B．are | C．is | D．have been |
---Do you still smoke heavily?
--- No. In fact, it is two years since I ____.
A. have stopped smoking B. smoked
D. began to smoke D. started to smoke