Last week the students did the experiment in order to_______ if iron rusts in dry air.
You_______that mistake;you were too careless.
I really don’t think my best friend w ill be angry, but I’11 go and see her,in case she ____.
Paris is________most beautiful city,where you can see_______famous Eiffel Tower.
—Hey, Tom, you are wanted on __________ telephone.—Who is calling?—__________Mr. Green. I don’t know who he is.
The table is __________ the way. Move it, please.