Don’t cross the road when the traffic lights are red.– .

Bill’s mother wants him ______milk every day .

I don’t mind picking up your things from the store. _____, the walk will do me good.

The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job–________ my students have a try

68 Yesterday my friend and I went to the supermarket nearby We found that there were _______ nothing worth buying