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Could you tell me when we ________(visit) the History Museum? 3 David will fail the test again if he ________(not,study) hard., If you _______(think) it over,you will have a good idea. 三 當堂檢測題 一 把正確的句子 寫在橫線上 1. I don’t know if will the students arrive on time. _________________________________________________ is still not sure he wants to go to Mars. ________________________________________________ wants to know that if we need to wear special boots on Mars. ________________________________