—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
—You praise your son. He works harder than before.
—Thanks, I will.
A. should B. canC. mayD. must
Our team tried our best, we failed the match at last.
A. butB. andC. orD. while
the morning of March 31, she made an important decision in her life.
A. Since B. InC. From D. On
— I’m afraid I can’t you, sir. Can you speak more slowly?
— Of course.
A. followB. listenC. seeD. find