I have two brothers, _______ are doctors.
| A．both of them | B．both of whom | C．neither of whom | D．each of them |
John thinks it won’t be long he is ready for his new job.
| A．when | B．after | C．before | D．since |
—How do you find my idea?
—_______.
| A．By opening your notebook. | B．I don’t like it a bit. |
| C．You showed it to me. | D．When I came in, I found it. |
We’ll look into the case as soon as we can. Just be ________, please.
| A．slow | B．silent | C．patient | D．comfortable |
I don’t know whether he has finished the novel, but he ________ it this morning.
| A．was reading | B．has read | C．read | D．had read |
________ time went by, small clever animals covered the earth and have become the most important animals on the planet.
| A．With | B．As | C．Because | D．During |