It’s difficult for us to __________ each other because we have spent so much time together .
| A．separate from | B．separate to |
| C．play with | D．lay for |
I didn’t sleep well ________ the noise from that factory nearby.
A. because B. because of C. Unless
He failed the exam, ______ he tried his best.
A. because B. though C. So
The apple on the table __________ . Throw it away.
A. smell terrible B. smells good C. smells terrible
The more careful you are, themistakes you’ll make.
A. more B. few C. fewer
—How much is the computer?
—About three yuan.
A. thousand B. thousands of C. thousands