The ____of antibiotics(抗生素) in the 20th century has made a great difference to us.
A.invention B.instruction C.method D.discovery
Please leave your name and telephone number _____ our manager can call you back later.
A.even if B.as soon as C.so that D.according to
— Have you found any information about the player _____ you can use for your article?
— Not yet. I’ll search for some on the Internet.
A.that B.who C.what D.whose
Life is a horse, and _______you ride it ______it rides you.
A.both; and B.not only; but also C.either; or D.neither; nor
I’d like to buy a new house ------comfortable and modern. ______, it should be in a quiet neighborhood.
A.After all B.In all C.Above all D.First of all
If success is a gate, the road this gate must be made up of difficulties.
A. towards B. against C. opposite D. beyond
