He __________ (not/visit) his grandparents since last summer.
A. has not visited
B. was not visiting
C. did not visit
D. has not visit

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Grammar › ViewWhich of the following sentences is in the passive voice?
A. The chef cooked a delicious meal.
B. The meal was cooked by the chef.
C. The children played in the park.
D. The teacher graded the exams.
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On buses, some people seem very ________.
A. rude
B. rudely
Grammar › ViewIt is time ………………to the meeting.
A. Go
B. To be going
C. To go
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Choose the word group that relates to computers:
A. Karate, violence, scared, system, face, grin
B. Taxi, cab, fare, to rob, all over, mistake, voice
C. Passenger, runway, gate, flight, boarding pass
D. Shortcut, screen saver, wireless, firewall, hacker, attachment, security, system
E. None of the above
