I never doubt _______ this park is worth _______.
A.whether, visiting B.that, a visit C.that, travelling D.whether, travel
Mr Johnson preferred ________ heavier work to do.
A.to be given B.to be giving C.to have given D.having given
He has made great progress his mother is very pleased with him.
A.so；that B.enough；to C.so；too D.such；that
—I really can’t believe such a learned man has made so silly a mistake.
— Don’t you know ________ sense is worth more than knowledge?
A.general B.unusual C.special D.common
________ you sit in front of the computer all day while working, you’d better take exercise for at least an hour every day.
A.Even if B.Even though C.Since D.As if
If you turn off the lights, the screen of the computer ________ be more clear.
A.must B.has to C.should D.can
