The Changjiang River is _____ than any other river in China.
| A．shorter | B．longer | C．the shortest | D．the longest |
Computers ________widely in our daily life.
| A．use | B．used | C．were used | D．are used |
Do you know ___________?
| A．when will he be back | B．when he will be back |
| C．where did he go | D．where will he go |
I ________ when the UFO landed.
| A．am watching TV | B．was watching TV |
| C．have watched TV | D．watched TV |
I have two brothers. One is a teacher, _________ is a doctor.
| A．another | B．other | C．others | D．the other |
I _________ $300 for the bike.
| A．took | B．spent | C．cost | D．paid |