His teacher often tells us ________ much time ________ TV．

1. A.
   not to spent…watch;
2. B.
   to not spend…watching;
3. C.
   don't spend…watch;
4. D.
   not to spend…watching

His teacher________ a very clever student.

1. A.
   find him
2. B.
   found him
3. C.
   is
4. D.
   liked her

His teacher 　　　　　 the new words before he 　　　　　 at the classroom.

A. had taught;had arrived 　B. have taught;arrived

C. had taught;arrived D. taught;had arrived