Abeamoflightwillnotbendroundcornersunless________(make)todosowiththehelpofareflectingdevice
he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.
I prefer this diagram ________ that one.
The floor does not look so bad when ________ (sweep) clean.
Hardlyhadhefinishedhisspeech________theaudiencestartedcheering.
