双基限时练(六) unit 4 grammar 2 ⅰ.单句语法填空(不多于3个单词) 1．if i ________ (see) the film, i would have told you about it. 答案 had seen 2．if the moon ________ (go) near the earth, the tide (潮) goes high. 答案 goes 3．________ (be) i ten years younger, i would study abroad. 答案 were 4．if they ________ (inform) us, we would not come here now.
