An awful accident, however, _____occur the other day.
| A．does |
| B．did |
| C．has to |
| D．had to |
What we have to admit is that never in the past thirty years __________ so greatly as today.
| A．has China changed | B．China has changed |
| C．did China change | D．China had changed |
There was such a long queue for coffee at the intervals that we __________ have to give up.
| A．faithfully | B．eventually | C．especially | D．constantly |
It will cost a lot of time. __________I think we shall need it and it will certainly be useful to us more or less.
| A．What’s more | B．As a result | C．On the other hand | D．After all |
If I hadn’t wasted so much money last year, I __________ my own apartment now.
| A．need have | B．would have | C．can have had | D．must have had |
It can’t be a(n) __________that another big fire broke out in the same restaurant in three months.
| A．accident | B．incident | C．chance | D．coincidence |