---- How often do you eat out? // ---- __________ , but usually once a week.
| A．Have no idea | B．As usual | C．It depends | D．Generally speaking |
My friend, Jack, is thought ______ foolishly. Now he has no one but himself to blame for losing the job.
| A．to act | B．to have acted |
| C．acting | D．having acted |
For many students, math is not something that comes _________. It takes effort.
| A．regularly | B．possibly |
| C．automatically | D．secretly |
The training program can give you a lift at work, ______ increase your income
by 40%.
| A．so much as | B．as well as |
| C．so long as | D．as soon as |
A recent research shows that there _____ volcanic activities on the moon and Mars. However, they no longer exist now.
| A．had been | B．has been | C．were | D．would be |
If she had known what lay ____ for her, she would never have agreed to go.
| A．in demand | B．in debt |
| C．in place | D．in store |