下列句子用be动词的适当形式填空1.I()astudent.You()ateacher.2.She()myfriend.3.()youLiFen?No,I()not.4.()Mr.greenverybusy?Yes,he().5.Hemust()athome.6.Thebook()veryinteresting.7.()cleanersverybusy?8.YouandI()g

　　下列句子用be动词的适当形式填空

　　1.I()astudent.You()ateacher.

　　2.She()myfriend.

　　3.()youLiFen?No,I()not.

　　4.()Mr.greenverybusy?Yes,he().

　　5.Hemust()athome.

　　6.Thebook()veryinteresting.

　　7.()cleanersverybusy?

　　8.YouandI()goodfriends.

　　9.Hisfriends()veryfunny.

　　10.Thetwins()veryhappybecausetheyaregoingtothecinema.