I _______ keep dogs for protection, but now I keep them as pets.
| A．would rather | B．had better | C．used to | D．have to |
—I hear you’ll take part in the English contest.
—You’re right. I think it’s a great ________ for me.
| A．solution | B．challenge |
| C．trouble | D．duty |
－Jim, is physics difficult to learn in high school?
－Sure. No subject can be learned well hard work.
| A．without | B．from |
| C．through | D．for |
The U.S. first lady Michelle Obama, arrived in China on March 20, 2014 for _______ six-day visit, focusing on _______ importance of cultural exchanges.
| A．the, an | B．a, an |
| C．a, the | D．the, the |
The room was ______dark ________we didn’t see anything.
| A．so,that | B．too,that |
| C．so,as | D．such that |
After a day’s walk, he really needs to have a rest .Don’t ____.
| A．wake him up | B．wake up him |
| C．put up him | D．put him up |