It’s said that an American often starts a speech with a joke, _______ a Japanese seldom does.
A.as | B.when | C.while | D.though |
She is_____new comer to____chemistry but she has already made some important discoveries.
A.the; the | B.the;/ | C.a;/ | D.a; the |
Shortly after the accident, two___police were sent to the spot to keep order.
A.dozen of | B.dozens | C.dozen | D.dozens of |
These tables and desks are all made of_____.
A.a wood | B.some wood | C.the wood | D.wood |
Jumping out of_____airplane at ten thousand feet is quite_____exciting experience.
A.不填; the | B.不填; an | C.an; an | D.the; the |
The warmth of___sweater will of course be determined by the sort of___wool used.
A.the; the | B.the;/ | C./; the | D./;/ |