Andy is content with the toy. It is he has ever got.
A. a better B. the better
C. a best D. the best
Listening is thus an active, not a , behavior consisting of hearing, understanding and remembering.
A. considerate B. sensitive
C. reliable D. passive
In this article , you need to back up general statements with ________ examples.
A. specific B. permanent
C. abstract D. universal
His comprehensive surveys have provided the most__________statements of how, and on whatbasis, data are collected.
A. explicit B. ambiguous
C. original D. arbitrary
Generally，students' inner motivation with high expectations from others ________ essential to their development.
A．is B．are
C．was D．were
The university estimates that living expenses for international students ________ around $8，450 a year, which ________ a burden for some of them.
A. are；is B. are；are
C. is；are D. is；is
