If you keep learning English for half an hour each day,your English will be gradually improved.( )
at least
at present
at once
at first
—Where are Maria and Kangkang? —They _____ England.
My pen is __________. A. a redB. red C. Red
Workers can’t be made ________ for twelve hours a day.
The young girl stood there ______ without saying anything.
I can’t understand you. Can you speak more_______?