Ⅰ. 单项选择（30分）
( )1. A large number of birds ______ to Zhalong for a short time every year.
A. come B. comes C. to come D. coming
( )2. Mother told the visitor ______ walk quietly and ______ wake the baby up.
A. to; to B. not to; not to
C. not to; to D. to; not to
( )3. English is very ______ and all the students know the ______ of the English study.
A. important; importance B. importance; important
C. importance; importance D important; important
