[ Modal Verbs ]
Passengers _______ smoke until the signs have been switched off.
A. mustn’t
B. can’t
C. needn’t
D. mightn’t
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Grammar › ViewWhile my mother was watching TV, my father _____?
A. was calling
B. is calling
C. did calling
D. call
Demonstrative Pronoun › View
………………… is Mary’s house.
A. These
B. This
C. Those
D. That
Vocabulary and grammar › ViewAfter working hard for hours, the farmers sat down and ___________ a short rest.
A. get
B. take
C. do
D. give
Grammar › View
A __ of dirty clothes was strewn on the floor.
A. box
B. pile
C. packet
D. basket