题目内容
用所给的词填空:
because, since, as, for
1)—Why didn't he come to school this morning?
—________ he went to the doctor.
2)It is ________ he is too lazy.
3)I must be leaving now, ________ it's getting dark.
4)________ everyone is here, Let's begin our meeting.
5)________ he didn't know much English, he got out his dictionary and looked up the word“cough”.
答案:Because;because;for;Since; As
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