He_____his computer last year. I _____ my computer for over ten years. It still works OK.
| A．bought ,have bought | B．have bought , bought |
| C．bought, have had | D．have had, bought |
— Come and join us, Ben!
— I’m afraid I can’t. I’m too busy now. If I ________ time, I would certainly go.
| A．had | B．will have | C．have had | D．have |
Which of the following does paper burn in?
| A．CO2 | B．N2 | C．He | D．O2 |
— The food looked bad, but it ________ OK.
— So we can’t judge a man by his appearance.
| A．is tasted | B．tasted | C．was tasted | D．taste |
— Why do you always go to Lanzhou University on weekends?
— Because there’re lots of great speakers I can practice English ________ in the English Corner there.
| A． with | B．to | C．on | D．about |
The mountain I visited last Sunday isn’t very ________. Few ________ go sightseeing there.
| A．tourist; tourists | B．touristy; tourist | C．touristy; tourists | D．tourist; tourist |