—Guess what! I have got A for my term paper.
—Great! You ______ read widely and put a lot of work into it.
| A．must | B．should | C．must have | D．should have |
The sentence needs _______.
| A．improve | B．a improvement | C．improving | D．improved |
It's no use _______ so much money on clothes.
| A．spend | B．spent | C．spending | D．being spent |
. _______ his mother, the baby could not help _______.
| A．To see ；to laugh | B．Seeing ； to laugh | C．Seeing ；laughing | D．To see ；laughing |
_______ the news of his father's death, he burst into tears.
| A．After hearing | B．On hearing | C．While hearing | D．Having heard |
I searched for my wallet and it wasn't there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.
| A．must have left；to take | B．may leave；taking |
| C．might leave； to take | D．could have left；taking |