People try to avoid public transportation delays by using their own cars,and this___creates further problems.
| A．in short | B．in case |
| C．in doubt | D．in turn |
Although _________my opinion, the old professor didn't come up with his own.
| A．against | B．on | C．for | D．in |
In order not to let the others hear what he said, he_________the news to me.
| A．shouted | B．told | C．whispered | D．said |
The lady walked around the shops，_________an eye out for bargains.
| A．keep | B．kept | C．keeping | D．to keep |
—We can give you a ride into town. —_________ Thank you.
| A．Yes, why not? |
| B．Oh, it would be my pleasure. |
| C．Yes, please. |
| D．Oh. thatwould be great. |
Theability _________ an idea is as important as the idea itself.
| A．expressing | B．expressed | C．to express | D．to be expressed |