This is one of the experiments __________ in our laboratory.
| A．being made |
| B．making |
| C．to make |
| D．having made |
It is really_______ to take a walk along the peaceful country road.
| A．relaxing | B．excited | C．boring | D． stressful |
You must set off at once, ______you would be late for school.
| A．then | B．and | C．otherwise | D．so |
If you are not satisfied with the price, we can still discuss it.
| A．being offered | B．to offer | C．offering | D．offered |
—I hear that Tom can’t afford his schooling this fall．
—____, let’s do something for him．
| A．If so | B．When necessary | C．When possible | D．If any |
An earthquake of 9 magnitude struck off the coast of Japan on Friday,______ thousands of people dead and more missing．
| A．caused | B．causing | C．having caused | D．to cause |