中共中央正式提出党在过渡时期的总路线是在___________。

Theproblem________whenthestudentsrefusedtodotheirhomework.

Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.

Whenworkersareorganizedintradeunions,employersfindithardtolaythem________.

具有土地入股和统一经营特点的是___________。