When the teacher ______ how to do the experiment, the bell rang.
| A．explains | B．will explain | C．was explaining | D．is explaining |
I ______ my mind to study harder since I visited the Shanghai Supercomputer Centre.
| A．am making up | B．have made up | C．made up | D．had made up |
Rick to play tennis, and he it’s not funny.
A. doesn’t want; think B. wants;thinks C. doesn’t want;thinks
The number of foreign students attending Chinese universities ________ rising steadily since1990.
| A．is | B．are | C．has been | D．have been |
--- What did your daughter say in her letter?
--- She told me that she ________ Cambridge University already with her friends.
| A．had visited | B．have visited | C．was visiting | D．visited |
Kitty ________ to Beijing and she won’t come back until next Monday.
| A．has been | B．had gone | C．went | D．has gone |
I was listening to pop songs while my parents ________ dinner yesterday.
| A．were cooking | B．cooked | C．have cooked | D．had cooked |
—What fruit does Jenny ______?—She ______ apples.
| A．like; like | B．like; likes | C．likes; like | D．likes; likes |
--Have you done your homework ?
--Yes, I _____ it ten minutes ago.
A. finish B. have finished C. finished
--- The shop is _______ on Saturday and Sunday. We can go shopping there on weekdays.
---Oh, no. It since last Saturday.
| A．open, has closed | B．close, has been open |
| C．open, has been opened | D．closed, has been closed |
—What a clean and bright classroom, isn’t it?
—Yes, it’s always clean and bright because it every day.
| A．cleans | B．cleaned | C．is cleaned | D．was cleaned |
I ________some chickens in the countryside yesterday.
| A．feed | B．feeds | C．fed | D．feeding |
We __________a great time at the party last night.
| A．have | B．has | C．had | D．are having |
—Why did you go there?
—I __________the homes of movie stars.
| A．visit | B．visited | C．will visit | D．am visiting |
He often __________emails to his parents on weekends.
| A．send | B．sends | C．is sending | D．will send |
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