【题目】— My mother is ill in hospital, so I have to look after her.

【题目】The child found his mother. He didn't cry ________.

【题目】You should stay in bed and have ________ rest.

【题目】The most interesting thing ________ I can remember now is that we celebrated our birthdays together last year.

【题目】Many people didn’t realize the importance of friendship ________ they lost it.

【题目】I can't get into the office because I ________ my keys at home.

【题目】________ wonderful invention! I can't believe my eyes.

【题目】He won several prizes, ________ he was only 6 years old.

【题目】We started early ________ we could get there on time.

【题目】Jack didn't feel well this morning, but he ________ went to work.