The best moment for the football star was ______ he scored the winning goal.
| A．when | B．where | C．how | D．why |
–What’s the noise ? It sounds as if it comes from upstairs.
--______. It must be the window-cleaner working , next door.
| A．I’m not sure | B．I hope not | C．I’d rather not | D．I don’t think so |
Parents now believe that there are obvious differences in their approach to educating children compared with _____ of their parents.
| A．those | B．that | C．one | D．ones |
Some young people in America are expected to leave ______ could be life’s most important decision---marriage--- entirely up to luck.
| A．which | B．that | C．what | D．as |
He said he didn’t regret telling the truth but felt that he ______ it differently.
| A．could have expressed | B．could express | C．must have expressed | D．would express |
Medicine should be placed where it is not ______ to children.
| A．accessible | B．available | C．acceptable | D．noticeable |