教师采用具有教育意义的典型事例供儿童直接模仿和学习的方法是()
在社会保障制度中,社会保障费用应改为由()
Johncomplainedtothebooksellerthattherewereseveralpages______inthedictionary.
Manycareersrequireacollegedegree;somejobs,________,onlyrequirepreviousexperience.
Doyoulikemynewshoes?Theywereonly$15.Wow!That’scheap,whata________!