After he won the competition, Li Qiang________his prize and went on a time tour with his friend and guide Wang PingA took down B took up C took out D took away
The achievements of the greatest minds in science could never have been reached________ the patient work of hundreds of others.
The plans should be drawn as ________as possible,showing all the measurements.
In that south American country, _____bicycle is not_______ popular means of transportation.
The professor advised us to think outside the box and to________ new, different, or unusual solutions.
—Hi.Danny! Are you going for a picnic this weekend? —I’m not sure._____________.