---He spent as much time as he could __________ his spoken English.
--- Wish him good luck !
| A．improve | B．improving | C．to improve | D．improved |
He switched off the light and was about to leave the classroom and only then ________ to rain heavily.
| A．did it begin | B．it began |
| C．does it begin | D．it begins |
Actually, I am not the person who deserves the prize; it should be given to ________ has made great contributions to the project.
| A．who | B．whom |
| C．whoever | D．whomever |
In my childhood, my grandma used to say “ helping others ________ helping yourself”, which ________ a deep effect on me all my life.
| A．mean; have had | B．means; has had |
| C．means; had had | D．mean; had had |
Believe it or not, your ship isn’t quite sunk, as there are some ways to ________ a new career even if it’s something you’ve never done before.
| A．burst into | B．get through |
| C．break into | D．comb through |
They eat only plant foods, and take care to ________ animal products from other areas of their lives.
| A．contain | B．maintain |
| C．exclude | D．Include |