找出下列各组字母中元音音素不同的字母:(1)e b c h (2)d b u p(3)w q p u (4)h j g k(5)y v t g (6)v w u q(7)h k a q (8)G P T O(9)C D E F (10)E V G R
( ) We must ______ and wait at a red light. A. stopping B. stops C. stop
( )The bus is _________ . A. coming B. come C. comes
()You must look right_________ you cross the road. A. before B. at C. on
( )We must pay attention _______the traffic lights. A. at B. to C. in
( )We must ______ and wait at a red light. A. stopping B. stops C. stop