________ I close the window? It's so cold here.
| A．Will | B．Do | C．Would | D．Shall |
Some young people these days just ________ go out of their homes to contact the real world.
| A．mustn't | B．won't |
| C．mightn't | D．shouldn't |
Why ________ it get colder when we climb up a mountain? We are getting nearer to the sun!
| A．ought to | B．would |
| C．should | D．must |
I ________ to my cousin's birthday party last night, but I was not available.
| A．went | B．had gone |
| C．would go | D．would have gone |
If we ________ a table earlier, we wouldn't be standing here in a queue.
| A．have booked | B．booked |
| C．book | D．had booked |
—Shall we go for a drink at one o'clock this afternoon?
—________. Will two o'clock be OK?
| A．Sure, it's up to you |
| B．Sure, no problem |
| C．Sorry, I can't make it |
| D．Sorry, I'm not available today |