Tom, turn down the music. Why you make such a big noise while your baby sister is sleeping?
A．must B．would C．should D．may
．It rained for two weeks, completely _______ our holiday.
A．ruined B．ruin C．to ruin D．ruining
It is known to us all E-mail is______ efficient than sending a fax.
A．much B．many C．more much D．much more
．His family members gave some examples of _________ his drinking and smoking had affected the family.
A．that B．what C．how D．whether
We hope the measures to control prices, _____are taken by the government, will succeed.
A．as B．when C．since D．after
John didn’t choose_____of the ties and went away without looking at a third one.
A．many B．either C．all D．any
