Most online classes let students learn _____ their own pace.
| A．at | B．to | C．from | D．by |
Sarah hopes to become a friend of _____ shares her interest.
| A．anyone | B．whomever |
| C．whoever | D．no matter who |
It is reported that nowadays more and more children _____ playing computer games.
| A．are addicted to | B．are addicted with |
| C．addiction to | D．addiction with |
She is so optimistic that her cheerful spirits and bubbling laughter _____ the whole class.
| A．effect | B．effected | C．infected | D．infect |
After seeing such a sad movie, she felt _____ all the evening.
| A．depressed | B．depression | C．depressing | D．depressant |
The roads into London were so _____ traffic that even the fire engines couldn’t get through.
| A．choked up by | B．choked up with |
| C．choked back by | D．choked back with |