The language used in advertisements differs from ____ used in ordinary readings.
| A．which | B．what | C．that | D．it |
--Shall we go to visit Uncle Lee this weekend?
--_________. I wonder whether I will be free that day.
| A．It doesn’t matter | B．It all depends |
| C．I’m afraid we should | D．I don’t mind |
No one is allowed ______ in the classroom.
| A．smoking | B．smoke | C．smoked | D．to smoke |
The rice made _____ possible to produce one-third more of the crop in the same field.
| A．that | B．this | C．one | D．it |
I regret ______ you that you will miss your flight if you don’t hurry up. You have only twenty minutes to go.
| A．to tell | B．telling | C．having told | D．to telling |
. ______ hard. You are sure to succeed!
| A．Working | B．Work | C．Worked | D．To work |