Sometimes,_______we make choices has a lot to do with what we feel.
A.what B.how C.which D.why
_______its business, the hotel tried to attract more guests by adding a swimming pool.
A.Expanding B.Having expanded
C.To expand D.Expanded
What a relief! We would be still waiting anxiously in the classroom _______to bring an umbrella with you.
A.should you forget B.had you forgotten
C.you should forget D.you had forgotten
Consumers' support and encouragement is a _______ stream of motivation for self-improvement of the company.
A.casual B.smooth C.current D.steady
_______relevant departments stressed no plastic covers were used for books, I didn't realize these covers contained harmful chemicals.
A.Until B.Unless C.While D.Since
China has accelerated crucial transformations in the role of government, _______the market to play a decisive role.
A.to allow B.allowed
C.having allowed D.allowing
