— Hello, may I have an appointment with the doctor?
— _____
| A．Sorry, he is busy at the moment. | B．Why didn’t you call earlier? |
| C．Certainly, may I have your name? | D．Sorry, he doesn’t want to see you. |
—Why do you want the book so much?
—_______, sir.
| A．Studying | B．Studies | C．Studied | D．To study |
—I hate talking with that guy. Look, he is coming. What should I do?
—Don’t speak until_______.
| A．speaking | B．spoken to | C．spoken | D．speaking to |
I don’t know if you noticed their absence or not, but we ________.
| A．did | B．have | C．had | D．were |
________, Mr. Smith managed to send his daughter to school.
| A．As he was a poor man | B．A poor man as he was |
| C．Poor man as was he | D．Poor man as he was |
The government managed to have two chemical factories built, though _____ by the citizens.
| A．being opposed to | B．opposed to | C．was opposed to | D．having been opposed to |