--- He worked out such different questions at a very young age.
--- Oh, he ______ a very smart student then.
| A．could have been | B．should have been |
| C．might have been | D．must have been |
“If you are to succeed, you must put your shoulder to the wheel." my head teacher _______ says to the class.
| A．curiously | B．consequently | C．confidently | D．constantly |
To make China _________ the USA in science and technology, we need more talents.
| A．as a strong country as | B．strong as a country as |
| C．as strong a country as | D．as stronger as |
Mrs. Smith has _________ all the shampoo, so she’ll have to buy some more.
| A．run out | B．used up | C．given out | D．sped up |
—Did your dad fix the brakes on the BMW himself?
—He, because he doesn’t know much about cars.
| A．has it fixed | B．had fixed it | C．fixed it | D．had it fixed |
Seeing the world-famous actor standing in front of them, the fans _________ a cry of joy and surprise.
| A．left out | B．let out | C．cut out | D．spoke out |