A. covered
B. covered in
C. covered with
D. covering
[单选题]When Tom woke up he was in the hospital, but he didn’t know how that( )A.co
When we were students we _often stay up all night.A. willB. wouldC. should
[单选题]When a child becomes a grown-up,he is supposed to______.A.live comfortablyB.take responsibilitiesC.make progress in jobD.impress the society
[单选题]We looked everywhere for the keys, but they are nowhere______.A.to find B.t
To make up, many of them resort to catching up when circumstances allow — whethe
We ________ advertisements everywhere that they become largely invisible.A. used
------Mom, is Dad coming to pick us up?------Yes, I am sure he _________ on the
14.(单选题)When the piston moves up with both intake and exhaust valves closed, we
We get so ______ advertisements everywhere that they become largely invisible.A.
[单选题]When we write, we must write as ______as we can.A.careful B.carefully C.mor