题目内容：

阅读下面句子，在空白处填入适当的内容（1个单词）或括号内单词的正确形式（每空至多3词）。

1._______ comes from abroad must have a medical test for new coronavirus pneumonia.

2.You haven't answered my question _______ I can attend the meeting tonight.

3.Evidence has been found through years of study _______ children's early sleeping problem is likely to continue when they grow up.

4.Doctors usually write exact instructions _______ the medicine is taken.

5.My washing machine _______（repair）this week，so I have to wash my clothes by hand.

6.He is known _______（spend）18 years fighting for slaves.

7.In the 1950s in the USA，most families had just one phone at home，and wireless phones _______（not invent）yet.

8.The day will come _______ we’ll win the final victory.

9._______ everyone hoped，Mary has won the first prize.

10._______（expose）to sunlight for too much time will do harm to one's skin.