--Do you like chatting with your friends on the telephone or mobile phone?---______.I prefer _______QQ.A;Either using B. Neither usingC.Both to use D.Neither to use
—Why do you speak in ___ a loud voice? —Because I want to make myself ___ clearly.
—TV and computer are so popular these days. —Yes, they can______ our eyes to the outside world.
______ to improve our environment?
Did your father tell you ______?
“Great achievements can be done in _______ with nature, ” Schworer said.