He started to study ecology and decided to _______his whole life to the science.
A. ignore B. devote C. prefer D.lead
Recently our government policymakers are very _______about the rapidly rising food costs.
A. upset B. confused C. concerned D. conscious
Disappointingly, the new computer, ________ he loves a lot, breaks down frequently.
A. which B. what C. that D. one
----I don’t suppose the police know who did it.
----Well, surprisingly they do. A man has been arrested and _____ now.
A. has being questioned B. is questioning
C. has questioned D. is being questioned
He had ________me not to play games on the Internet again, but hardly could he get rid of them.
A. wished B. promised C. advised D. persuaded
Without proper lessons, you could _________a lot of bad habits when playing the piano.
A. set up B. catch up C. pick up D. keep up
