[ Adverb Clauses ]
By the time Alfonso finally graduated from high school, he_____ seven different schools because his parents moved frequently.
A. attended
B. was attending
C. had attended
D. had been attending

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Grammar › ViewTry not to __________________ the other students.
A. Dispense
B. Engross
C. Absorb
D. Distract
Vocabulary & Grammar › View
My students enjoy ______________ English very much.
A. learn
B. learnt
C. learning
D. to learn
Comparison › ViewEnglish is ________ than Chinese. (easy)
A. easier
B. more easier
C. the easy
D. the easiest
Vocabulary and Grammar › View
We should __________ more fruits and vegetables.
A. has
B. had
C. have
D. having
