—Is it OK to take this seat?
—Sorry, .
A.it’s taken B.take it C.here you are D.never mind
________ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunrise.
A.Freed B.Freeing C.To free D.Having freed
Few people paid full attention to their health conditions ________ they were seriously ill.
A.when B.if C.until D.after
Children, in my opinion, ________ creative ability is unthinkably rich, ________ is seldom taken notice of by us, should be trained in that area.
A.which; that B.whose; which C.which; which D.whose; that
A warm thought came to me ________ I might help wash my mom’s feet on Thanksgiving Day.
A.if B.when C.which D.that
--Have you got a digital camera?
---No.
---You should buy________.
A.one B.it C.that D.this