We ____________ here on time. But the traffic was so heavy.
| A．can have come | B．must have come |
| C．should have come | D．need have come |
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 |
________ the same mistake again made his parents very angry.
| A．His being made | B．He had made |
| C．He had making | D．His making |