554.(10-11，吉林东北师大附中高二第一次月考)Many problems concerning the improvement of our school remain ________.

A. solving　　　 B. solved C. to solve　　　 D. to be solved

553.(10-11，吉林东北师大附中高二第一次月考)Knowing their son failed in the exam, the parents stood there, ________.

　　　 A. looked disappointed　　 B. looking disappointed　 C. looked disappointing 　　 D. looking disappointing

552.(10-11，吉林东北师大附中高二第一次月考)After a day’s hard work, I went back home ________.

A. exhausting　 B. exhausted C. being exhausted D. having exhausted

551.(10-11，吉林长春外国语学校高二上第一次月考)I still remember _________to the Famen Temple by my uncle when I was five .

A. to take　 　　 B. to be taken　 　　 C. taking 　　 D. being taken

550.(10-11，吉林长春外国语学校高二上第一次月考)There are countless ________ leaves as if they were a red blanket_______ the ground.

A. fallen; covering　 B. falling; covered 　C. fallen; covered 　D. falling ; covering

549.(10-11，吉林长春外国语学校高二上第一次月考)Holmes walked swiftly into the garden , ______________ by Doctor Watson.

A. following B. followed 　　　C. was followed　 D. to be followed

548.(10-11，吉林长春外国语学校高二上第一次月考)The young mother walked off, leaving the little boy ___________ in the room.

A. cry　　 B. crying 　　　 C. cried D. to cry

547.(10-11，吉林长春外国语学校高二上第一次月考)I rushed home in a hurry only _________ that nobody was in.

A. to find 　　 B. finding 　　 C. found 　　　 D. having found

546.(10-11，吉林长春外国语学校高二上第一次月考)The teacher raised his voice , but still couldn’t make himself _________.

A. heard 　　　 B. hearing 　　 C. to be heard 　　　 D. hear

545.(10-11，湖南浏阳一中高二上第一次月考)She let the children ______ to play instead of staying at home all the time.

A. going out　 B. went out　 C. to go out　 　　　　　　 D. go out