The children sing loudly__________.
A.as if they were the winners
B.as though they are the winners
C.though they are the winners
D.were they the winners

Everybody feels sorry for him and says that “If only he_________ more time revising.”
A.should have spent
B.would have spent
C.had spent
D.spent

My electronic dictionary _____ me to listen to the pronunciation of new words.
A.enables
B.enable
C.able
D.ability

This photograph is too small. Can you ____ it for me?
A.large
B.largely
C.enlarge
D.enlargement

I didn't understand what you just said. Could you _____ it?
A.clear
B.clarity
C.clarify
D.clarified

He loves insects. He can _____ over 50 different types of beetles.
A.identity
B.identify
C.identified
D.identifies

You didn't _____ what flavor you wanted, so I got you chocolate.
A.specify
B.specific
C.specified
D.specifically

.... Tom broke the window, he did not feel guilty about it.
A.Although
B.Because
C.Despite
D.In spite of

.... , he passed with the highest marks.
A.Even although the difficult course
B.Despite the course was difficult
C.In spite of the course was difficult
D.Although the course was difficult

Choose the correct word to complete the sentences.
In some countries, water has to be boiled to ______ it.
A.purity
B.pure
C.purify
D.purely