They want to know ______do to help us.
| A．what can they | B．what they can | C．how they can | D．how can they |
Whether ways will be found to help China _______ the current world financial crisis is just _______worries the public.
| A．prevent; that | B．survive; what | C．forbid; that | D．quit; what |
Mike Perham,a 17-year-old British teenager, finished his solo round-the-world sailboat trip last week, becoming the youngest person in the world to that.
| A．achieve | B．try | C．devote | D．conduct |
Think twice and time will _____what you have chosen is right or not .
| A．know | B．say | C．see | D．tell |
Would you please ______ the paper for me and see if there are any obvious mistakes?
| A．look around | B．look into | C．look up | D．look through |
Both___ _ and ____ _ laughter do harm to your health.
| A．burst out crying;burst into | B．to burst out tears;to burst into |
| C．bursting into tears; bursting into | D．bursting into crying;bursting out |