—You know, Bob is a little slow __________ understanding.
—So I have to be patient __________ him.
| A．in; with | B．on; with |
| C．in; to | D．at; for |
In everyday communication, information ___ by gestures is often misinterpreted.
| A．suggested | B．conveyed | C．expressed | D．signaled |
To work at home, which one could hardly imagine, has been made _____ with the development of computer technology.
| A．possible | B．it possible |
| C．possibly | D．to be possible |
_____ the lawyers, volunteers from the Libyan Red Cross Society also joined the efforts in helping the Chinese go home safely.
| A．Except for | B．In spite of | C．Apart from | D．Instead of |
The engineer spoke highly of the government’s efforts, ____ he owed his safe return from Libya.
| A．through which | B．to which | C．with whom | D．for whom |
—Why did you leave without a word of warning to John?
—But what _____ otherwise? He never listens to me.
| A．could I have done | B．would I do |
| C．must I have done | D．should I do |