--When _____ the abacus _____? -- In the sixth century by the Chinese people.
| A．is, invented | B．did, invent | C．was, invented | D．does, invent |
_____people went to the concert that was held in Reming Square _____ the night of May 25.
| A．Two thousands, on | B．Many thousand, in |
| C．Thousands of, on | D．Several thousands of, in |
We will see __________ even stronger China in __________ near future.
| A．a; the | B．an; the |
| C．the; a | D．an; a |
– You must be very excited about going to New York for further study.
– __________, but I am afraid I won’t do well because my English is poor.
| A．I’m sorry | B．Certainly not |
| C．I don’t know yet | D．Well, I should be |
– I’m going to the supermarket. Let me get you some fruit.
– OK. Thanks for your __________.
| A．offer | B．information |
| C．message | D．Order |
– I have a letter __________ but I’m too busy.
– Why not have your son __________ it for you?
| A．to post; do | B．posted; do |
| C．to post; to do | D．posted; to do |