_____ exciting boat race it was! Many people watched it.
A. What a B. What an C. How D. How a
It is important _____ how to ask for help politely.
A. know B. knowing C. to know D. to knowing
Look! The clock has stopped. Maybe there’s ________ wrong with it.
A. everything B. something
C. anything D. nothing
I interviewed _____ Asian pop star Candy Wang.
A. 19-years-old B. 19 years old C. 19-year-old D. 19 year old
Mario _____ short, but now he is tall
A. used to be B. used to being C. is used to be D. is used to being
--- How do you study for a test? --- I study _____ working with a group.
A. on B. by C. at D. from
