[ Grammar ]
Jack : What ………………………….. wear while you …………………… in high school ?
Macy : We ? Uniforms, of course .
A. did you used / were studying
B. did you used to / studied
C. did you use to / were studying
D. were you / were studying
E. you used to / studied

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Gerunds and Infinitives › ViewKim expects ______ her exam results on Friday.
A. get
B. to get
C. getting
Grammar › View
Check the underlined clause, is it essential or nonessential?
Red, which signifies happiness and good fortune in China, is the favorite ribbon color.
A. Essential Clause
B. Nonessential Clause