I : Điền một mạo từ thích hợp ( a an the hoặc rỗng ) 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 at any time . If your headache does nit disappear , take ................. another tablet about four hours later . If your headache still remains , see .......... doctor at one . Luckily . most ............. headaches are not serious
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