专题训练一单项选择 ( )1.(甘肃天水 )Take _ umbrella with you. Its _ useful tool on rainy days. A an； a B a； the C an； the D the； the ( )2.(黑龙江哈尔滨 )What is your new classmate like? She is very shy. She speaks so _ that I can hardly hear her. A loudly B clearly C quietly A C ( )3.(四川成都 )Look! People outside are wearing thick coats. The weather _ be very cold. A might B must C cant ( )4.(贵州贵阳 )Drugs are harmful to peoples physical and mental health. We teenagers must _ them. A take care of B keep away from C get
