If I______you，I’d work hard and make great progress in learning．
A．am B．were C．was
—I’m very worried about tomorrow’s math test. I’m afraid I can’t pass this time.
—______! I’m sure you’ll make it.
| A．No problem | B．That’s right |
| C．Cheer up | D．Don’t mention it |
-- _____is that man over there?
--- He is a doctor.
| A．Who | B．What | C．Where | D．How |
The patients will have to wait all day ______ the doctor works faster.
| A．if | B．unless | C．whether | D．that |
My dream hometown is an amazing place without any ________.
| A． population | B．traffic |
| C．pollution | D．advertisements |
—What will the weather be like tomorrow?
—It__________ be rainy, cloudy or sunny, I’m not sure.
| A．must | B．may | C．shall | D．should |