You can distinguish between frogs and toads(蟾蜍) in the following way: frogs have _______ bodies, long limbs, and a smooth skin, and toads have stouter bodies, short limbs and dry skin.
A. slender
B. huge
C. stouter
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From the airplane window I could see a ____ of city streets.
A. web
B. net
C. cross
Aunt Pat smiled at her little niece and _____ her to eat.
A. bid
B. bade
C. bidded
Dr. Rich Hamilton is planning his own World Wide Web ____ on the Internet to provide assistance to anyone who asks for medical help.
A. spot
B. slot
C. site
The president has _______ his foreign minister, Mr Burns, to act as representative to the international conference to be held in Tokyo next month.
A. approved
B. agreed
C. authorized