________ does your mother often run with her dog?– About half an hour.[ ]

is your P.E teacher?” —He is very well.

Tom is weak in physics. He always feels _______ before he takes a physics test.

About ___of the workers in the factory were born_____.

Do you know the big boy ________ helped to catch the thief yesterday ? — Yes, Li Ming, the chairperson of the Students’ Union .