I ____ back my hometown for a couple of years. I miss it a lot.
| A．have gone | B．haven’t gone | C．have been | D．hasn’t been |
—We can’t be successful _______ we keep working hard.
—I agree with you.
| A．if | B．unless | C．because | D．as |
_____ you ______ your brother can join us. We want one of you.
| A．Neither; nor | B．Both; and |
| C．Either; or | D．Not only, but also |
The number of swimmers ______ getting larger and larger. Look, a number of students _____ swimming in this river.
| A．is; is | B．are; is | C．is; are | D．are; are |
—Why do you look so sleepy in class, John?
—Sorry, sir. I _____ to watch a football match last night.
| A．kept up | B．made up | C．stayed up | D．put up |
Look, the old man who is playing ______ guitar is _______ university teacher.
| A．the ; an | B．/; an | C．the; a | D．/ ; a |