Every year, there______ a number of students taking after-class lessons. The number _______ larger than before.
A. are; is B is; are C is; is D are: are
Paul isn’t as ______ as Sandy. He often makes mistakes in his homework.
| A．careless | B．more careless | C．careful | D．more careful |
They will try their best in the Dragon Boat Racing _______ they may fail.
| A．if | B．though | C．until | D．when |
--- Everybody is playing outside. Can I join them, Mom?
--- _______ Not until you have finished practicing the piano.
| A．Why not? | B．Will you? | C．I hope so | D．I’m afraid not. |
It’s very nice ______ you ______ my parents your best wishes.
| A．of ; sending | B．of ; to send | C．for ; sending | D．for ; to send |
--- Don’t ________, my children. Keep working hard and you will win the match.
--- Thank you, Mr. Zhang. We’ll try our best.
| A．put up | B．give up | C．turn up | D．set up |