Checking your answers before handing in your paper can help you __________ mistakes.
A. make B. provide C. avoid D. advise
It’s kind __________ Yao Beina to donate her corneas (眼角膜) _________ three people in need.
A. of; to B. for; to C. of; for D. for; for
Many people do not realize the importance of health __________ they have fallen ill.
A. since B. until C. while D. After
Robin broke his left leg in the basketball match last week, since then he __________ in bed.
A. lay B. has lain C. laid D. has laid
— We must act now because time is __________.
— Yes. Let’s start.
A. cutting down B. running out
C. pushing in D. handing out
Is India __________ European country?
A. the B. an C. a D. 不填
