——How much vinegar did you put in the soup?——I’m sorry to say, ____. I forget.
Busy _______ he was, he managed to spare some time to help plan the project.
The maths teacher demanded that all the students _______ the examination paper within one and a half hours.
You must keep it _______ in mind that education is the first productivity.
This word is wrongly spelt;a letter is _______.
It makes _______ big difference to keep calm when giving _______ first aid.