[ Grammar ]
Bruno watched TV _____ his brother was having his teeth cleaned.
A. since
B. unless
C. while
D. before
Select your answer:
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Grammar & Vocabulary › ViewWhereas teenagers have no problem … a DVD player, their mums, dads, and grandparents often find using new technology difficult.
A. involving
B. operating
C. discovering
D. inventing
Grammar › View
Child marriage ____ in several parts in the world because it limits access to education and training.
A. must stop
B. will be stopped
C. must be stopped
D. can be stop