Điền "a/an/the hoặc 0" vào mỗi chỗ trống.
You can get..........headache if you read for...............long time.Take..........eye test if it continues for.............few days.You can have.............headache if you are very tired.Take..........aspirin or any other tablets to kill............pain.However.don't take more than two tablets about four hours later. If your headache still remains,see.........doctor at once.Luckily,most.........headaches are not serious.
You can get...a.......headache if you read for.....a..........long time.Take..an........eye test if it continues for.....a........few days.You can have....a.........headache if you are very tired.Take...an.......aspirin or any other tablets to kill......the......pain.However.don't take more than two tablets about four hours later. If your headache still remains,see....the....doctor at once.Luckily,most...0......headaches are not serious.