(2013·福建，29)Mrs.Smith finds it hard to clear up the mess，as her children are always ________ whenever she tries to.
A．in the way B．on watch
C．in sight D．on the line
(2013·安徽，22)Before you pay a visit to a place of interest, look in your local library________a book about it.
A．on B．at C．for D．to
________ that Marie was able to set up new branches elsewhere.
A．So successful her business was
B．So successful was her business
C．So her business was successful
D．So was her successful business
Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.
A．so long as B．as much as
C．as long as D．as well as
As far as I am concerned，education is about learning and the more you learn，________.
A．the more for life are you equipped
B．the more equipped for life you are
C．the more life you are equipped for
D．you are equipped the more for life
I would appreciate it ________ you call back this afternoon for the doctor's appointment.
A．until B．if C．when D．that
