Mom, I'm very _________ for all your love.
A. thankful B. careful
C. useful D. helpful
This food is free. You don't have to _________ it.
A. look for B. pay for
C. ask for D. wait for
—Alice, don’t put your things here, ___________. —OK, I will.
A. put away them B. put on them
C. put them away D. put them on
---He is an honest person , so what he said is _______.
A.knowledgeable B.valuable
C.comfortable D.believable
______ it is raining hard , they are still working in the field.
A. Because B. As soon as
C. Though D. Unless
A smile costs _________, but gives so much. So we should learn to smile.
A. something B. anything
C. nothing D. everything