The young mother kept _______ the house with three children in it, because she wanted
to keep it _______.
| A．cleaning; clean | B．cleaning; cleaning |
| C．clean; clean | D．clean; cleaning |
A number of countries have shown great in the new bank set up mainly by China.
| A．hobby | B．habit | C．interest | D．notice |
To live on Mars, you need to wear boots which ________ to prevent you from floating off into space.
| A．design | B．designed |
| C．are designing | D．are designed |
Of all the movies, Birdman got the awards at the 87th annual Academy Awards ceremony.
| A．more | B．many | C．some | D．most |
Taobao, China’s biggest online shopping platform, _______ the ways Chinese people shop and live.
| A．changes | B．changed |
| C．has changed | D．was changing |
—We will carry out the survey as we planned it rains tomorrow.
—You needn’t worry about the weather. It’s sunny tomorrow.
| A．until | B．unless | C．if | D．when |