unit 2 heroes 一、语法专项训练用所给单词的正确形式完成下列句子。 1．yesterday i ________(think) that you were not in beijing. 2．alice usually ________ (sit) in the front of the classroom，but she ________ (sit) at the back this morning. 3．they________ (do) housework this time last week. 4．he ________ (tell) the news to us three days ago. 5．she would not telephone me if she ________ (have) no time. 6．the prices ________ (keep) going up all the time in the past few years. 7．for the whole period of two months，there ________ (be) no rain in this area.
