______ is known to us is that tobacco contains nicotine and other harmful products, so you should give up smoking.
| A．As | B．It | C．What | D．Which |
You’ve done so much work —you’re ____ pass the exam.
| A．addicted to | B．bound to | C．due to | D．accustomed to |
The retired teacher is in his mid-seventies —seventy-six to be _______.
| A．apparent | B．exact | C．approximate | D．similar |
We all ____ to punishing a whole group for one person’s fault.
| A．devote | B．object | C．expose | D．resist |
I had the impression ________ she chose her words carefully.
| A．which | B．what | C．that | D．whether |
Teaching and learning _____ greatly from each other —they are two entirely different processes.
| A．differ | B．disagree | C．compare | D．transform |