Our school plans to have a parents’ meeting_______ the afternoon_______ January 27th.
Wearing white can help people _______when they feel stressed.
You’d better wear a pair of comfortable trainers when ________a long walk.
一Look! That teacher is explaining something to her students again and again! 一_______teacher she is!
Though he got up early, ______ he missed the train.
You are _______ out all the difficult problems .