You may fail in the exam________you study hard．
| A．until |
| B．if |
| C．because |
| D．unless |
Amy has ten baseballs, she doesn't play them.
| A．and | B．with | C．but | D．so |
Gina is not , her clothes are everywhere.
| A．kind | B．cool | C．happy | D．tidy |
— is your P.E teacher?"
—He is very well.
| A．Who | B．How | C．What | D．Where |
My keys are in my bag. keys under that desk aren't mine.
| A．These | B．This | C．Those | D．That |
—How about playing computer with me?
—OK, that sounds .
| A．good | B．well | C．boring | D．happy |