—Sir, physics is too difficult for me. —Tom, work hard, _______ you’ll find it easy.
| A．or | B．and | C．so | D．but |
machine
| A．sandwich | B．Christmas | C．touch | D．rush |
| A．pull | B．bubble | C．hurry | D．brush |
__________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 |
--- How tall the boy is!--- Yes, he is taller than __________ in his class.
| A．any other student | B．any student |
| C．other student | D．other students |