--You have dropped ____ “s” in the word “necessary”.
-- Oh, yes, ____ letter “s” should be doubled.
A. a, an B. an, an C. an, the
---Finish your homework, you can’t play computer games, Jim.
---All right, Mum.
| A．but | B．till | C．and | D．or |
Ice is not often seen here in winter as the temperature normally stays zero.
| A．up | B．down | C．above | D．below |
---Excuse me, is there book by Mo Yan?
---Yes. It’s on bookshelf over there.
| A．a; / | B．a; the | C．/; the | D．the; a |
__________the doctors in their hospital is about one thousand, and sixty percent of them___________ women.
| A．A number of; is | B．The number of; are | C．The number of; is | D．A number of; are |
--- Did you __________ much time watching Li Na’s match last night?
--- Yes. It __________ me a few hours to watch this match.
| A．spend; spent | B．spend; took | C．take; took | D．take; cost |