--I don't think we have met before.
--Yes, once at a party, but we___________.
| A．weren't introduced | B．didn't introduce |
| C．haven't introduced | D．were not introducing |
—Volunteering is becoming___popular in China
—Yeah,people are now aware that helping others is helping themselves
| A．naturally |
| B．successfully |
| C．splendidly |
| D．increasingly |
I___all the cookig for my family,but recently I’ve been too busy to do it
| A．will do |
| B．do |
| C．am doing |
| D．had done |
One-third of the country___covered with trees and the majority of the citizens___black people
| A．is;are |
| B．is;is |
| C．are;are |
| D．are;is |
You can’t predict everthing.Often things don’t ___ as you expect
| A．run out |
| B．break out |
| C．work out |
| D．put out |
The government has taken measures to___the high prices of daily goods to keep the market stable
| A．take down |
| B．bring down |
| C．hand down |
| D．tear down |