—I ________ a new house recently.
—Great. When ________ you ________ it?
| A．have bought, did, buy | B．have bought, have, bought |
| C．bought, did, buy | D．bought, have, bought |
, our world is more connected than before because of the Internet.
| A．In some ways | B．In this way |
| C．On the way | D．By the way |
—What’s the advantage of shopping online?
—I think buyers spend a lot of time going to shops.
| A．shouldn’t | B．mustn’t |
| C．can’t | D．needn’t |
—Some young people like reading novels on their mobile phones after turning off the light at night.
—Don’t you think it is to their eyes?
| A．helpful | B．helpless |
| C．harmful | D．harmless |
Australia is in the south of the earth so the seasons there are the opposite of .
| A．our | B．ours |
| C．us | D．ourselves |
—What do you think of the 3-D printer?
—It’s great although it still needs further .
| A．arrangement | B．education |
| C．information | D．development |