—Do you like your maths teacher?
—Sure, because he is the teacher ___ helps me a lot.
| A．whose | B．whom | C．which | D．who |
My parents don’t mind what job I do __ .I am happy.
| A．even through | B．as soon as | C．as long as | D．as though |
--- I’m sorry I broke the vase.
--- Oh, _____. It wasn’t very expensive.
| A．you’d better not | B．I’m afraid not |
| C．as you wish | D．that’s all right |
It rained heavily in the south，________ serious flooding in several provinces.
| A．caused | B．having caused | C．causing | D．to cause |
Bring the plants into a warm room _____ they will soon open.
| A．or | B．and | C．but | D．for |
When I got home, I _____ I had left my wallet in the taxi
| A．was realizing | B．realized | C．have realized | D．would realize |