________ too much exposure to wind may cause the dryness of skin, so too much exposure to the sun may result in cancer.
a. Just as b. While c. If d. Now that
It was not yet midnight _____ a stranger asked for a ferry service and promised an extra fare.
a. while b. until c. when d. that
It is important to create an atmosphere _____ wild ideas are honored rather than dismissed. [��Դ:ZXXK]
a. of which b. as c. in which d. when[��Դ:ZXXK]
That was so serious a matter that I had no choice but ________ the police.
a. to call in b. call in c. calling in d. called in
He often sat in a small bar drinking considerably more than ________.
a. was good for his health b. his health was good
c. his good health d. was in good health
Besides ______, she is kind and considerate.
a. pretty and clever b. being pretty and clever
c. her pretty and clever d. she is pretty and clever
