If steel is heavier than water, why are ships able toon the sea?
| A． | float | B． | drown | C． | shrink | D． | split |
Can you think of some casespeople are likely to tell lies?
| A．that | B．as | C．where | D．when |
—Shall we go out for a walk?
—Sorry． I’m too busy to for the moment．
| A．get away | B．get off | C．get through | D．get together |
The 2008 Olympic Games,in Beijing, impressed the world deeply．
| A．to be held | B．held | C．to held | D．holding |
．—John and Lucia got married last week． Did you go to their wedding?
—No, Ia lecture in another city．
| A．gave | B．have given | C．had given | D．was giving |
—Could you do me a favor to hand out these papers?
—．
| A．Yes, I could | B．It’s my pleasure | C．With pleasure | D．Great |