If you have trouble pronouncing the word, you can repeat it over and over again _______ you are comfortable with it.
| A．unless | B．if |
| C．until | D．while |
— What a beautiful birthday cake!
—Yes, it’s ________ my mom. I received it this morning.
| A．with | B．to | C．for | D．from |
同义词转换As we know, none of us likes pollution.
| A．no one | B．not everyone | C．someone | D．nothing |
Both Jim and I are going to have a picnic tomorrow.
| A．Neither Jim and I am | B．Not only Jim but also I am |
| C．Either Jim or I am | D．Not only Jim but also I are |
——Hi, have you found your lost watch?
——Not yet, I have looked for it everywhere, but I still haven’t found it.
| A．at those places | B．here and there |
| C．somewhere | D．over there |
Air pollution is harmful to our health.
| A．is bad to | B．is good for |
| C．do harm to | D．does harm to |
The story happened three years ago.
| A．started | B．took | C．took place | D．began |
He’s read this book before, _____?
| A．hasn’t he | B．doesn’t he |
| C．isn’t he | D．wasn’t he |
_____ of the teachers are women in our school.
| A．Two third | B．Two threes | C．Two thirds | D．Second three |
We must plant more trees after we _____ every year.
| A．cut off them | B．cut them off |
| C．cut down them | D．cut them down |