---Why does the Lake smell terrible?
---Because large quantities of water .
A. have polluted B. is being polluted
C. has been polluted D. have been polluted
The television has many advantages. It keeps us _____ about the _____ news and also provides entertainment in the house.
A. to know; later B. informed; latest
C. learning; latter D. to think; latest
If a person has not had enough sleep, his actions will ___him ____ during the day.
A. give; in B. give; away C. give; out D. give; up
___ to advertisements constantly can help to change people's opinions over time.
A. Exposed B. Being exposed C. Exposing D. To be exposed
Nelson Mandela’s death may, in the short term, unite South Africa in ways _______have never been seen before.
A. by which B. that C. in which D. who
TV series Where Are We Going, Dad have made an _______ on kids since it was broadcast on Hunan TV.
A. explanation B. investigation C. operation D. impression
