His funny hat made the students _____ in class.
Work harder, _______ you will get more grades in the coming exam.
— With the red skirt her, Jane looks prettier.— Yes. I’m a little green envy. I wish I were as pretty as her.
You can _______ stay at home ________ go out to play. It doesn’t matter.
__________ you offered him!
— I _________ a rainbow in the rain just now.— Really? Do you know how many colours ________ in a rainbow?