—I've got to go now.
—Must you? I __________ you could stay for dinner with us.
| A．think | B．thought |
| C．have thought | D．am thinking |
Some of you may have finished Unit One.________，you can go on to Unit Two.
| A．If you may | B．If you do |
| C．If not | D．If so |
The young ________ the hope of our country.
| A．is | B．are | C．were | D．was |
Little ________ that we were watching his every move，so he seemed to be going his own way in this business.
| A．he realized | B．he didn't realize |
| C．didn't he realize | D．did he realize |
The singer and dancer ________ come to the party tonight.
| A．is to | B．are to |
| C．are going to | D．was to |
—Take this medicine three times a day，Tom!
—Do I have to take it？It ________ so terrible.
| A．is tasting | B．is tasted |
| C．tastes | D．has tasted |