双基限时练(十三) unit 5 grammar 2 ⅰ.单句语法填空(不多于3个单词) 1．________ everybody is here, let's begin our meeting. 答案 since/now (that) 2．________ he was ill, he didn't go to school. 答案 because 3．try ________ he would, he couldn't lift the rock. 答案 as/though 4．he ran so fast ________ i couldn't catch up with him. 答案 that
