---Isn’t it time you went to bed, Mike?
---I _____ painting all afternoon, so I have to finish my homework now.
| A．have been practicing | B．have practiced |
| C．was practicing | D．had practiced |
We finally managed to make the customers _______ of the quality of the vehicle.
| A．to convince | B．convincing | C．convince | D．convinced |
—Can we meet tomorrow morning?
—Not in the morning, I’m afraid. I ___________.
| A．will be working | B．will work | C．am about to work | D．am going to work |
—How was the 2008 Beijing Olympic opening ceremony?
—_______ that the whole world was attracted.
| A．It was very fantastic | B．Such fantastic was it |
| C．So fantastic was it | D．So fantastic it was |
Her book didn’t _______children probably because she employed too many scientific terms.
| A．appeal to | B．adapt to | C．react to | D．add to |
Liu Qian, a magician from Taiwan, ______audience of thousands on the CCTV Spring Festival Show. 
| A．appealed to | B．applied for | C．approved of | D．appointed with |