It was back home after the experiment.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
My stomach still bothers me _________, though not often.
|
We work together to achieve our common purpose: _________world that is safer, cleaner and healthier than ________ one we found.
| A．the; the | B．a; / | C．a; the | D．the; / |
I don’t remember how many years ago ______________I paid my last visit to the principle of my primary school.
| A．it was that | B．was it that | C．it was when | D．was it when |
Everyone wants to be a friend of _______________ is considerate and shares the same interests.
| A．anyone | B．whomever | C．whoever | D．no matter who |
---What can I do for you?
---I am looking for a birthday gift for my sister, _______at a proper price but fashionable.
| A．one | B．anyone | C．that | D．everything |