It often happens that people with good eyesight fail to see is right in front of them.
| A．which | B．that | C．what | D．as |
They must have been enjoying themselves there, or they _____ so long.
| A．can’t have stayed | B．wouldn’t have stayed |
| C．needn’t have stayed | D．couldn’t stay |
_____ and you will break the world record.
| A．If you make more efforts | B．Making more efforts |
| C．More efforts | D．When making more efforts |
— Where did you live as a child?
—— A village _____ by hills on three sides.
| A．surrounded | B．surrounding |
| C．was surrounded | D．to be surrounded |
Nowhere else, as Tim said, _____ except to the small garden in the backyard after school.
| A．he has gone | B．he did go |
| C．had he gone | D．would he go |
Someday, we are sure to understand the most important things are _____ that can’t always be bought with money.
| A．these | B．ones | C．those | D．what |