._________life began on the earth is one of the biggest puzzles to scientists.
A.How | B.What | C.Where | D.That |
—My teacher says she’s cancelling the class play. I just can’t understand.
—______.You were looking forward to it.
A.It doesn’t matter | B.It’s very unwise of her |
C.Don’t worry about it | D.You must be disappointed |
I’m very glad to see that your vocabulary is gradually ________.
A.building up | B.turning up | C.coming up | D.waking up |
More than twenty years____________since he came to teach in this school, and every student and every parent_____him.
A.have passed,like | B.has passed,likes |
C.have passed,likes | D.has passed,like |
________ thousands of Chinese students,Chuck has vast experience in the Chinese class.
A.Having taught | B.Taught |
C.Teaching | D.To have taught |
We do not have enough money.________,we cannot afford to buy the new car.
A.However | B.Anyway | C.Therefore | D.Though |