[ Tenses and Sentence Completion ]
I can’t understand ______ she is upset.
A. what
B. why
C. where
D. how

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Modals of Necessity and Suggestion › ViewWhen you’re in an argument, how important to you is it to be right? Do you think it should be more important or less important to you?
It (1)___________ definitely be less important to me.
A. should
B. must
C. needs to
D. ought
Modals for Deduction › View
If it’s raining, he can’t be playing outside. What does this imply?
A. He is playing inside.
B. He is playing outside.
C. It is not raining.
D. He is not playing outside.
Articles › ViewDid you study ….. physics at school?
A. a
B. an
C. the
D. zero article
Gerund › View
She avoided ________ out tonight
A. telling
B. told
C. telt
D. tells
