What I wanted to know was when and where the meeting______.
| A．was holding | B．had held | C．was to hold | D．was to be held |
______ careful you are, ______ mistakes you will make.
| A．The less; the better | B．The more; the fewer |
| C．The fewer; the richer | D．The more ; the poorer |
.People in developed countries are supposed ______ more healthy food before than what they have today.
| A．to be had | B．to have | C．had | D．to have had |
Tim Berners Lee invented World Wide Web in 1991, which _____ everyone to use the Internet
| A．allowed | B．afforded | C．managed | D．left |
I really miss my American friend Nick. It's nearly four years _____we last meet.
| A．that | B．as | C．until | D．since |
Although the price of the gas ______, many people still plan to buy private cars.
| A．goes down | B．goes up | C．goes on | D．goes ahead |