用how, what填空,注意适当时候需要加上冠词the, a ,an 1._____ carefully the boy does his homework! 2._____difficult questions they are! I can't answer them. 3.I miss you very much. _____ I want to see you! 4.Oh, ______ mistake you've made! It's too bad. 5._____ lovely weather we are having these days! 6._____ interesting work it is to teach children! 7._____ fluently the little girl speaks English! 8._____(not) tell a lie. 9.Please _____(not) look outside. Look at the blackboard. 10._____ (let, we) go fishing this Sunday, shall we?