24．The teacher together with the students ________ discussing Reading Skills that _______ newly published in America.

Some people are walking _______ the bridge and someboats are going _______ the bridge.

What are you going to do _____ Sundaymorning — Nothing much.

You can never imagine what great trouble we have _______ the matter.

If you spend the spring sneezing, take a look at your plate. Some foods _____ make allergies worse.