The bad weather meant__________ the rocket launch(发射)for 48 hours,．
| A．delaying | B．having delayed |
| C．to delay | D．to have delayed |
My partner wants to keep the company small _____ I’d like to expand it.
| A．and | B．or | C．however | D．while |
When and where this took place _____ still unknown.
| A．is | B．has | C．were | D．are |
— Are you almost ready to go, mom? I’ll go and pull the car out of the garage.
— OK- just _____. I’ll have a last look at the windows.
| A．wait | B．a minute | C．calm down | D．no way |
— 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. |
In _____ 1870’s Marx found it important to study _____ situation in Russia.
| A．a; the | B．an; a | C．/ ; / | D．the; the |