Do you understand the theory ______?
| A．that how the living things came into being |
| B．that how did the living things come into being |
| C．of how the living things came into being |
| D．of how the living things come into being |
—Do you think it's a good idea to make friends with your students?
—__________，I do. I think it's agreat idea.
| A．Really | B．Obviously | C．Actually | D．Generally |
I looked for my elder sister for hours. Suddenly, I __________ her in the crowd.
| A．catch sight of |
| B．caught sight of |
| C．came into sight |
| D．come into sight |
—Do you have anything to say for yourselves?
—Yes, there's one point __________ we must insist on.
| A．why | B．where | C．how | D．/ |
After entering senior high school, we've reached a point in our studies __________ we needed to decide how to arrange our time-table efficiently.
| A．that | B．what | C．which | D．where |
I like Mr. Miner's speech ； it was clear and __________ the point.
| A．at | B．on | C．to | D．of |