---Excuse me, Where is our English teacher?
---Look, she is on the playground ________an yellow scarf today.
| A．having on | B．wearing |
| C．putting on | D．dressing |
My uncle the club in 2010. He the club for over 3 years.
| A．joined; has been a member of | B．joined; has joined |
| C．has joined; has joined | D．has joined; has been in |
—Why don’t you go to visit the Great Wall with us?
—Because I _______ there many times.
| A．have been | B．have been to | C．have been in | D．have gone to |
— John, you ____ the computer game for two hours. It’s bad for your eyes. Stop, please!
—OK, Mum.
| A．played | B．have played | C．were playing | D．play |
It all depends on _____ you can support us.
| A．if | B．whether | C．that | D．what |
Which of the following sentences doesn’t contain(包含) an object clause?
| 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 the29th Olympic Games was held in Beijing. |