[ Past Simple vs Past Continuous ]
While they were watching TV, their kids ________. (sleep)
A. sleeped
B. slept
C. was sleeping
D. were sleeping

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Grammar › ViewWhich sentence is correct?
A. Neither of the boys have done their homework.
B. Neither of the boys has done their homework.
C. Neither of the boys do their homework.
D. Neither of the boys done their homework.
Grammar › View
The students got the librarian ____________ books for them.
A. buy
B. to buy
C. bought
D. buying