they
- They arrived ______ a cold morning in winter. [ ]
- They do some exercises ______ Friday morning. [ ]
- They will not give big gifts_____ someone else.[ ]
- They do some exercises ________ Friday morning. [ ]
- They left the twon on the morning _____June 22nd. [ ]
- They went to the Great Wall ______ vacation last year.[ ]
- They saw a wonderful film about life _____ the future.[ ]
- They have socks _____all colors for only three dollars.[ ]
- They held a sports meeting _____ the morning of April 30. [ ]
- They studied _____ exams last month. [ ]