________ much media attention is paid to the topic of raising children or caring for elderly parents in their final years, it seems ________ not much is explained on being a parent.
| A．While; that | B．As; like |
| C．Because; that | D．Since; / |
．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 |