1 . There are some health problems that, when ________ in time, can become bigger ones later on.

A．not treated	B．not being treated
C．being not treated	D．not having been treated

3 . All her time ________ experiments, she has no time for film.

A．devoted to doing

B．devoted to do

C．devoting to doing

D．is devoted to doing

4 . I don’t like the way ________ you talked to the specialist. In fact, the way ________ he offered us is quite effective.

A．that; that

B．which; that

C．in which; to which

D．that; in which

5 . Finally he reached a lonely island ________ was completely cut off from the outside world.

A．which

B．who

C．where

D．when

6 . Look! The student ________ at the back of the classroom is ________ in a novel while the teacher is giving a lesson.

A．seating; absorbing

B．seated; absorbed

C．seating; absorbed

D．seated; absorbing

8 . There are some kids skiing on the ______ lake happily.

A．froze

B．freezing

C．frozen

D．freezer

9 . You can smoke here __________ you leave a window open to let the smoke out.

A．even though

B．so that

C．in case

D．as long as

10 . His look was ________because the problem was ________.

A．puzzling; puzzled	B．puzzled; puzzling
C．puzzling; puzzling	D．puzzled; puzzled