Speaking of all the songs she has sung,I think this is probably her ______ one.
A.better known B.well known C.best known D.most known
He was worried, because he lost his bag ______ his passport, ID card and a lot of money.
A.included B.including C.contained D.containing
Our teacher always speaks slowly and clearly in class ______.
A.so as to be understood B.in order to have understood
C.so as to understand D.to understand
—Alice, you are supposed ______ part in the party in time.
—Sorry, but I had an unexpected visitor.
A.to take B.to have taken C.to be taking D.taking
It's difficult to guess what his ______ to the news would be.
A.reaction B.opinion C.comment D.impression
Since we have failed many times, we should take a new approach ______ the problem.
A.about solving B.to solving C.of solving D.in solving