In winter people usually keep flowers in their houses to them from the cold weather.
| A．produce | B．provide | C．protect | D．plant |
Your ________ is so sweet, you will be a great singer in the future.
| A．sound | B．noise | C．smile | D．voice |
My father was reading a book ________ I was doing my homework.
| A．before | B．after | C．when | D．while |
The snowstorm brought disaster to ________ people.
| A．thousands of | B．thousands | C．thousand of | D．thousand |
— Kate, ________ forget to give my best wishes to your uncle.
— Thanks, I will.
| A．doesn’t | B．don’t | C．won’t | D．can’t |