1.There is nobody in the old house,but there are many_________(mouse)in it. 2.Our classroom is much________(clean)than yesterday. 3.I don't like my______(friend)haircut and haircut. 4.Who_______(build)this building? 5.I'll try_______(me)best______(help)you. 6.The teacher got me_______(stay)in the classroom. 7.The workers plant trees in order________(make)city beautiful. 8.Lots of lakes are__________(pollution)now. 9.The host said it_________(snow)tomorrow.Really? it will be_________(snow). 10.I________(look)for a job for three months. 11.Here he is!We_______(wait)anxiously for him since last night. 12.He_______(look)through his________(paper)but found no mistake,so he_________(pass)the exam. 13.That nice watch is at______(little)one hundred one. 14.There's a problem with the washing-machine.It_______(work). 15.I make up my mind_______(study)from him.