Martin Evans, a Nobel Prize winner for medicine thinks that we should never give up our dream — even when ________ think we are dreaming the wrong ones!

I am sorry_____ I have caused so much trouble

periment shows that proper amounts ofexercise, if __ regularly, can improve our health

Do you want anything else for your birthday?—Nothing else. I’m very ________ with what you’ve bought me.[ ]

The student couldn’t _________what the teacher was trying to explain.