--“Where is Tom?”
--“He hasn’t come to school today, I think he ______be ill.”
| A．has to | B．should | C．may | D．can |
Which of the following sentences doesn’t contain(包含) an object clause（宾语从句）?
| A．Many people believe robots will do most of our work. |
| B．Scientists should be able to develop plants that grow on Mars. |
| C．People think that humans on Mars have to wear special boots to make themselves heavier. |
| D．We all know the next Olympic Games will be held in Beijing. |
My shoes are broken. They need ________.
| A．repair | B．to repair |
| C．repairing | D．repaired |
---“Didn’t the robot have a rest?”
---“_______. Because it never gets tired.”
| A．No, it did | B．Yes, it did |
| C．No, it didn’t | D．Yes, it didn’t |
I bought a robot _______ have more free time.
| A．because | B．therefore |
| C．in order to | D．as a result |