A、 keep out
B、 keep down
C、 keep up
D、 keep back
答案:A
A、 keep out
B、 keep down
C、 keep up
D、 keep back
答案:A
A. putting
B. seeking
C. finding
D. looking for
A. they can cure a range of illnesses such as heart disease, etc.
B. they help people to cope with life in the information era
C. they awaken people‘s desire to exchange resources
D. they are indispensable to people‘s social well-being
A. was not he insured
B. he was insured not
C. was he not insured
D. he was not insured
A. show up
B. make up
C. bring up
D. set up
A. used to walk
B. used to walking
C. was used to walk
D. would use to walk
A. down
B. out
C. off
D. aside
A. took up
B. save up
C. kept up
D. drew up
A. which
B. what
C. that
D. who
A. hit
B. bitten
C. beaten
D. won
A. Somehow
B. Anyhow
C. Somewhat
D. Anywhere