You must notice_________ the emergency exit is when entering the building.
A. where B. what C. which D. in which
Do you still remember how many years ago_________ we first met on campus?
A. was it that B. it was that
C. was it when D. it was when
---The prices of vegetables are going up madly. It’s really too much for us.
---But for the situation where many vegetable producing areas _____ constant low temperature, things would not be like this.
A. meet with B. have met with
C. met with D. had met with
The newly-built subway is always crowded with passengers going home from market, most of them _____ heavy bags and baskets full of fruit and vegetables.
A. carried B. to be carried
C. to carry D. carrying
Researchers are now conducting hibernation experiment and can use chemicals to put living cells into sleep-like state_____ they don’t age.
A. for which B. that C. where D. which
The machine has been used for man years. It’s no wonder that it doesn’t work well __________.
A. regularly B. constantly
C. frequently D. occasionally
