Fill in the blanks with “in”, “af” or “on”. Điền vào chỗ trống với “in”, “al” hoặc “on”

A. for
9 Fill in the blanks with “in”, “af” or “on”. Điền vào chỗ trống với “in”, “al” hoặc “on”
1. I was born
work ........
2. Hi, I am an
August 10th. I was born
a big factory. I go to work
engineer. I go to work
8:00 a.m. I was born
1970.
1990. I am a worker.
5:00 a.m.
the morning. I start work......