— What does the sign over there read?
—“No person __________ smoke or carry a lighted cigarette，cigar or pipe in this area.”
| A．will | B．may |
| C．shall | D．must |
——Jim is addicted to novels recently.
——Yes, that might _____ why he did so badly in the last test.
| A．answer for | B．apply for | C．account for | D．call for |
I was surfing the Internet _____of successful rendezvous and docking of Shenzhou-VIII and Tiangong-I.
| A．when suddenly came the good news |
| B．while the good news came suddenly |
| C．when suddenly did the good news come |
| D．while suddenly came the good news |
No one expected house prices to fall, but _____ that's exactly what happened.
| A．moreover | B．thus | C．anyway | D．however |
Many people can't learn any lessons from the mistakes they've made _____ they get hurt somehow.
| A．whether | B．unless | C．if | D．as |
Painting from still images leads to a loss of sensitivity, which is _____ to an artist.
| A．absolute | B．urgent | C．especial | D．vital |