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【題目】Don't cut in line ________ you're waiting for the bus or shopping.

【題目】________ you make a promise, you should try to keep it. Or you'll lose others' trust.

【題目】________ we finished drinking tea, we all sat on the grass.

【題目】Tom is only two years old, ________ he shouldn't be left alone.

【題目】________ he has said sorry to you, please give him another chance.

【題目】I am quite busy. I don't know ________ I'm free or not tonight.

【題目】My mother was cooking in the kitchen ________ I came home.

【題目】(2018邢臺二模) You'd better bring a sweater ________ it is cold there in the evening.

【題目】(2018邢臺二模) I bought my friend a birthday present, ________ he liked it very much.

【題目】(2018承德雙橋區一模) A tourist will easily lose his way in a new city ________ he has a map or a guide.