The machine has been used many years_____ it doesn’t work well occasionally.
| A．That’s because | B．It’s no wonder that |
| C．There’s no doubt if | D．It’s unlikely that |
What I should do is ________ the task soon.
| A．to finish |
| B．having finished |
| C．finishing |
| D．to have finished |
Very generally，grammar is ________ with the relations between words in sentences.
| A．regarded |
| B．satisfied |
| C．concerned |
| D．suited |
________ you eat the correct foods ________ be able to keep fit and stay healthy.
| A．Only if；will you |
| B．Only if；you will |
| C．Unless；will you |
| D．Unless；you will |
—He says that my new car is a ________ of money.
—Don’t you think those words are just sour grapes?
| A．lack |
| B．load |
| C．question |
| D．waste |
Scientists have many theories about how the universe ________ into being.
| A．came |
| B．was coming |
| C．had come |
| D．would come |