91.

问题详情：

91. _______ _______ _______ (回顾) the past, I feel proud of the achievements I have made.

92. ______  ________ regularly(锻炼身体)and going on a diet can help you stay slim.

93. He _______ _________ (拉开) the curtain to see what had happened.

94. Explorers _______ _______ _______ (正在加紧) their search for a man-like creature.

【回答】

91. Looking back on   92. Working out        93. Pulled back       94. are stepping up

知识点：其他

题型：单词拼写