The teacher encourages the children to feel _________ about asking questions when they don't understand．（ ）
A．nervousB．confidentC．excitedD．practical
Are these _________ new trousers？
No，they are not _________．（ ）
A．your，myB．your，mineC．yours，mine
________ fine weather it is today!（ ）
A．WhatB．HowC．What a
It took me half _______ hour to finish my homework last night．（ ）
A．aB．anC．the
_____ visitors come to Shaoshan to celebrate Chairman Mao's birthday on December 26th every year．（ ）
A．Thousand ofB．Thousands of
C．Thousand
________ is from your home to school？
Five kilometers．（ ）
A．How longB．How farC．How soon