She is a bit shy and________the teacher’s questions.[ ]

________in the fields on a March afternoon, he could feel the warmth of spring.[ ]

do it right now, and you _____ have my help when in trouble.

With April 18’s railway speedup, highway and air transport will have to compete with _____ service for passengers. [ ]

．It’sdisappointing that no one could _________ a good idea to help us out of trouble．