–You seem to have understood the theory very well.
–Yes, your careful explanation ______.
A.put a light to it B.came to light C.threw light on it D.saw the light
–Will you read me a story, Mummy?
--OK. You ______have one if you go to bed as soon as possible.
A.might B.must C.could D.shall
Studies show that people are more _______ to suffer from back problems if they always sit before computer screens for a long time.
A.likely B.possible C.sure D.probable
______ to improve oral English, I make great efforts and spend as much time as possible practicing it.
A.Being determined B.Be determined
C.Determined D.Having determined
–Do you know where David is? He is not in the office.
–Well, he ______ have gone far—his coat is still here.
A.shouldn’t B.mustn’t C.can’t D.wouldn’t
The days are gone physical strength was all you needed to make a living．
A.that B.when
C.where D.which
