Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.
| A．can’t have changed | B．mustn’t have changed |
| C．wouldn’t have changed | D．shouldn’t have changed |
Young people go to college with the expectation that educated people get a higher pay.
| A．good | B．better | C．best | D．the best |
With a travelling speed of up to 350 kilometres per hour, the railway to be built between Beijing and Shanghai _______ the journey time from 12 hours to 5 hours．
| A．cuts | B．will cut | C．is cutting | D．has cut |
―Karen, can I talk to you for a minute?
―Sure, ________?
| A．how come | B．what’s up | C．how’s that | D．what fo |
－My cat is really fat.
－Youhave given her so much food.
| A．wouldn’t | B．shouldn’t | C．couldn’t | D．mustn’t |
If we sit nearfront of the bus, we’ll havebetter view.
| A．不填; the | B．不填; a | C．the; a | D．the; the |