1 . Many major economic problems         to be solved, there is no point         the growth rate of this year now.

A．remained; to predict	B．remaining; to predict
C．remained; predicting	D．remaining; predicting

2 . All her time _________ experiments, she has no time for entertainment.

A．devoted to doing	B．devoted to do
C．devoting to do	D．is devoted to doing

3 . With his attention _____ on his book, he didn’t notice me enter his study.

A．concentrating

B．concentrated

C．to concentrate

D．concentrate

4 . The fish _____ bad, the children left much of it untouched.

A．tasted

B．tasting

C．tastes

D．was tasted

5 . With his finger ______ to the ______ window, the teacher asked: “Who did that?”

A．pointing; broken	B．pointed; broken
C．pointing; breaking	D．pointed; breaking

6 . ______, I’ll go over all these lessons before the exam.

A．If time permitted	B．Time permitted
C．Time permits	D．Time permitting

7 . The children went home from the grammar school, their lessons______ for the day.

A．finishing	B．finished
C．had finished	D．were finished

8 . The murderer was brought in，with his hands _______ behind his back．

A．being	B．having tied
C．to be tied	D．tied

9 . Much time___________（spend）sitting at a desk, office workers are generally troubled by health problems. (所给词的适当形式填空)

10 . It is so wet there that the trees are extremely tall, some _________ over 90 meters.

A．are measured	B．measure
C．measured	D．measuring