Our teacher warned us ______ play tricks _____ others.A. to; at B. not to; on C. not to; to
--Do you like the English song Big Big World?-- Yes. It ___________ very beautiful.
Simon makes ___________ friends in his class because he is very selfish.
-- ___________ did the important meeting ___________?-- For about two hours.
The clever boy said to ___________, “ I’ll do ___________ best to work out the problem.”
Shanghai lies ___________ the east of China and ___________ the northeast of Guangdong.