Rock-climbing is a breathtaking activity, very popular nationwide among young people,
cooperation as well as courage plays an important role.
| A．who | B．which | C．that | D．where |
Mr. Brown, ______ chairman of the trade union, will visit our factory in _____ month of May.
| A．/; the | B．a; the | C．the; / | D．the; the |
–How often do you eat out?
–____, but usually once a week.
| A．Have no idea | B．It depends | C．As usual | D．Generally speaking |
Mr. Brown, please point out my spelling mistakes, _____.
| A．if may | B．if have | C．if any | D．if has |
________ a reply, he decided to write again.
| A．Not receiving | B．Receiving not |
| C．Not having received | D．Having not received |
Don’t worry. We’ll keep you _______ what happens.
| A．informing of | B．inform of | C．informed | D．informed of |