Albert Einstein, ________ life had once been very hard, was given the Nobel Prize for physics in 1921
| A．of whom | B．for whom | C．for whose | D．in whom |
Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
| A．was | B．be |
| C．were | D．is |
Had they known what was coming next, they ________ second thoughts.
| A．may have | B．could have |
| C．must have had | D．might have had |
Grace doesn't want to move to New York because she thinks if she ________ there, she wouldn't be able to see her parents very often.
| A．lives | B．would live |
| C．has lived | D．were to live |
If he had spent more time practising speaking English before, he ________ able to speak it much better now.
| A．will be | B．would be |
| C．has been | D．would have been |
If we ________ a table earlier, we wouldn't be standing here in a queue.
| A．have booked | B．booked |
| C．book | D．had booked |