The new online library makes possible for students to choose books by smart phone off campus．
| A．it | B．one | C．that | D．this |
_________ you don't like him is none of my business.
| A．What | B．That |
| C．Who | D．How |
—How about going to Beijing for our holidays?—That's splendid. _________.
| A．It's really hot | B．It’s none of my business |
| C．I have known it already | D．I'm looking forward to it |
Take short walks to calm down, or, _________，simply take a day off.
| A．if necessary | B．if not |
| C．if ever | D．if so |
With two daughters _________ senior high school now, they have to work hard day and night to earn enough money.
| A．joining | B．participating in |
| C．attending | D．taking part in |
Miss Roffe is always _________ towards others and as a result, she gets on well with her colleagues.
| A．ashamed | B．considerate |
| C．stubborn | D．Cautious |