[ Vocabulary and Tenses ]
I had slept when you ….last night
A. call
B. called

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Modal Verbs › ViewWhen he was younger he … swim for hours.
A. can
B. could
C. must
Grammar › View
He sometimes __________ books in the library (READ)
A. reads
B. is read
C. reading
Grammar › ViewIt’s almost impossible________________ if you don’t use the right technological tools.
A. to succeed
B. succeed
C. succeeding
Tenses › View
She always (have) a music lesson on Friday.
A. have
B. has
C. is having
D. will have