It is sensible __________ you to change your mind in the end.
A.for B.of C.to D.about
As soon as the dog called Kelly noticed the stranger __________ the house, it began __________.
A.entered, barked B.enter, barking C.entered into, to bark D.entering, bark
Could you please make a guess about __________ during the following three days.
A.what may happen B.what might happen C.what would happen D.what happened
__________ good advice the old man gave us!
A.How B.How a C.What D.What a
He’s finished his homework, __________ he?
A.hasn’t B.has C.is D.isn’t
Her mother __________ two hours cleaning the house.
A.cost B.spent C.paid D.took
