I felt it is right ______ you should know.
A.whether B.and C.that D.How
Ben was busy taking a training class. ______we had to wait for himfor half an hour.
A.so B.if C.or D.but
Going to the movies is good, ______ I really only like listening to music.
A.and B.but C.so D.or
She is going to pick up the rubbish go shopping.
A.rather than B.instead of C.don't D.doesn't
Scientists can't on why we need to sleep
A.depend B.explain C.guide D.agree
Wasting time means oneself.
A.killing B.killed C.kill D.to kill