The experiment shows that proper amounts of exercise, if _______ regularly, can improve our health.
| A．being carried out | B．carried out | C．carrying out | D．to carry out |
When you come here for your holiday next time, don' t go to _______ hotel; I can find you _______ bed in my flat.
| A．the; a | B．the; 不填 | C．a; the | D．a; 不填 |
——Let’s go skating after school.
——_____ Call for me at any time.
| A．Wait a moment. | B．Sounds good. | C．That depends. | D．What for? |
——Hi, Steve, you look tired.
——I am tired. I ______ the living room all the afternoon.
| A．painted | B．had painted | C．have been painting | D．have painted |
________by the beauty of the West Lake, Mary decided to stay for two more days in Hangzhou.
| A．Attracting | B．To be attracted | C．Attracted | D．Having attracted |
Go and see her whenever _____.
| A．it will be convenient to you | B．you will be convenient |
| C．it is convenient to you | D．you are convenient |