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 |
She always looks sad, _____ makes people feel sorry for her.
| A．who | B．which | C．that | D．what |
---I have passed the popular election of the Olympics Maths Competition.
---______.You are always excellent in maths.
| A．No wonder | B．Good luck | C．Congratulations | D．Good news |