--Why don’t you read this book?--It’s not necessary to read this book .There isn’t useful in it .
— ________ are they doing? — They’re _________. A. What, run B. What, running C. Who, running
Linda often _______ her homework in the evening, but this evening she _________ TV. A. does; is watching B. is doing; watches C. is doing, is watching
She likes dogs _______. A. a lot B. a lot of C. lot of
She______ Australia. A. be from B. is from C. are from
He can walk________ two legs. A. in B. on C. at