What is the meaning of Throttle
A. Radio signals
B. Used to control a machine
C. Instrument used for determining altitude

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IELTS Grammar › ViewThe new mechanic checked the car ___________________ than the old mechanic. (thoroughly)
A. more thoroughly
B. thoroughlier
C. the most thoroughly
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If you _________ your homework, you __________ .
A. do / will played
B. do / can play
C. did / can play
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A. Way to fix a problem
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Choose the progressive perfect form of the underlined verb or verb phrase!
The diplomats worked all night to finish the treaty on time.
A. had been working
B. were working
C. had worked
D. worked
