Mr. Black walked around and offered help ________we were doing an experiment.
A.while B.when C.unless D.before
The story is________ interesting ________ everybody likes it very much.
A.very ; that B.so; that C.such; that D.such; because
________ she grew older, she became braver and wasn’t afraid of darkness any more.
A.Unless B.As C.If D.Though
It’s very boring to sit on the plane with nothing to read ________nobody to talk with.
A.and B.for C.but D.so
—Sally, it’s already 10:00 pm. It’s time for you to go to bed .
—OK, Dad, I’ll turn ________ the TV right now.
A.on B.down C.off D.up
He is such ________ helpful boy that our teachers all like him.
A./ B.a C.the D.an
