The band，_________ members are all over 70， is currently on tour all over country.
| A．whose | B．who | C．which | D．what |
—It’s amazing that Beijing and Zhangjiakou have won the bid for the 2022 Winter Olympics！
—Sure it is！The government __________ have made great efforts！
| A．could | B．should | C．might | D．must |
Focus on what you are supposed to do every day and you __________ gradual progress.
| A．make | B．will make | C．made | D．would make |
The increasing high housing price has become a serious problem among us young people, _______ the government hasn’t yet found a better solution to.
| A．the one | B．that | C．one | D．it |
—How much did you spend on the new mobile phone?
—I _____ it would cost me 500 dollars, but I was so lucky to get it at a 15 percent discount.
| A．expected | B．would expect |
| C．had expected | D．have expected |