[ Grammar ]
I am sure David ________________ taken you books by mistake.
A. shouldn’t have
B. must have
C. couldn’t have
D. might have

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Verbal and Appositive Phrases › ViewAfter getting good grades, I went to the beach all summer.
A. Infinitive Phrase
B. Gerund Phrase
C. Participial Phrase
Grammar › View
——- time do you go to school?
A. What
B. Why
C. where
Comparatives and Past Perfect Tense › ViewThat is the …….. spelling word we have been assigned this week.
A. More difficult
B. Difficult
C. Most difficult
Tenses › View
Did you sleep well last night?
A. Simple Present Tense
B. Simple Past Tense
C. Present Perfect Tense
D. Future Tense of Be Going To
