Please put on more clothes. It is ___ that it will be a bit colder this afternoon.
A. likely B. sure C. certainly D. perhaps
Englishmen usually don’t ask each other about ___ affairs.
A. public B. political C. school D. private
This kind of ___ can not only run on the road but also fly in the sky.
A. the car B. a car C. car D. cars
He always takes full _____ of the mistakes made by his rivals(对手) to win the election.
A. advantage B. disadvantage C. advance D. adventure
Some researchers believe that there is no doubt _____ a cure for AIDS will be found.
A. which B. that C. what D. whether
Use the umbrella to ______ yourself from the rain.
A. prevent B. keep C. save D. protect
