Tom does speak Chinese well, but his reading and writing skills leave much _______.
| A．to improve | B．to be improved |
| C．improving | D．Improve |
—Which hotel are you in?
—I____ in a hotel. A friend I met on the train ____ to put me up for a couple of nights.
| A．haven’t stayed; has offered | B．am not staying; offered |
| C．am not staying; is offering | D．do not stay; offers |
—Didn't the teacher see him entering the classroom?
—No, he_______ on the blackboard.
| A．was writing | B．had written |
| C．wrote | D．is writing |
It is reported in the papers that the old coins _______under the earth for about 200 years by the time they were discovered.
| A．had buried | B．had been buried |
| C．buried | D．were buried |
The comments the expert made ______ stock-market bothered him greatly, ______ him not fall asleep all night.
| A．concerning, making | B．be concerned, which made |
| C．concerned, making | D．to be concerning, made |
As I’ll be away for at least a year, I’d appreciate _______ from you now and then telling me how everyone is getting along.
| A．hearing | B．to hear |
| C．to be hearing | D．having heard |