You will fall behind others _________ you work hard.
A. if B. when C. unless
It’s a beautiful, hot day today,________ temperatures _______the thirties.
| A．with; with | B．in; in |
| C．in; with | D．with; in |
Heilongjiang is in the _____of China.
| A．north-east | B．northwest |
| C．south-east | D．south-west |
He found _________ to sleep.
| A．difficult to get | B．it difficult getting |
| C．it difficult to get | D．that difficult to get |
— Dad, I'm going for Jim's birthday party.
—.
| A．Be careful. | B．Come home early. |
| C．Have fun. | D．Wish you good luck |
Doing eye exercises makes his eyes .
| A．feels great | B．to feel great |
| C．feel great | D．feeling great |