— What is the population of America?
— I don’t know. But I know it’s than that of China.
A. lessB. biggerC. smallerD. larger
I to Shanghai three times.
A. have goneB. have beenC. wentD. was
— I’m leaving for Qingdao tomo
rrow.
—
A. Congratulations!B. I’m sorry to hear that.
C. You’re welcome! D. Have a good trip!
It’s said that the forest disappearing.
A. isB. amC. areD. was
—Why are you so happy, today?
—Because I to London with my parents tomorrow.
A. fly B. flewC. am flyingD. have flown
The computer in 1946 in America.
A. is inventedB. was inventedC. inventsD. invented
