[ Grammar ]
What is George saying? We ______ .
a. don’t understand
b. aren’t understanding

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Vocabulary & Grammar › ViewUnselfishness is the very _______ essence of friendship.
A. romantic part
B. important part
C. difficult part
D. interesting part
Grammar › View
…. students are dilligent.
A. Much
B. Many
C. Few
Modals › ViewWhich modal is used to express prohibition?
A. must not
B. can not
C. could not
D. should not
Tenses › View
What time ……. your favorite TV show usually start?
A. was
B. has
C. did
D. does
