The reason ____he gave for not coming was ____his mother wouldn’t allow him to.
| A．for which,that | B．which,because | C．why,that | D．which,that |
I don’t know how they ____the first couple of weeks after the strong earthquake.
| A．got around | B．got through | C．got over | D．got up |
I lost my way. I wonder ________ I can turn in the dark.
| A．who | B．whom | C．to whom | D．for whom |
The professor kept telling us that the future _____ to the well-educated and I kept wondering where I _____ of i
t.
| A．would belong; heard | B．belonged; had heard  |
| C．was belonged; heard | D．was belonging; had heard |
The genetic engineering, ______ progress has been very rapid recently, is perhaps the most important of all the sciences．
| A．to which | B．with which | C．in which | D．for |
I don't think the experiment is _____ failure. At least we have got _____ experience for our
future work on _____ nature.
| A．/; /; / | B．a; /; the | C．a; /; / | D．/; the; / |