Thematter_______ people’s health surely requires________ carefully

we finish the project two days ahead—I’m afraid we ,in case the heavy storm comes suddenly

I haven’t had a phone in the house for three weeks now, and it’s several days ____I used a phone box last time

Returning from abroad, Miss Yu received from her lovely students a nice present to which a note was ______, saying “We love you!”

The computer requires _______. I think I need _______ to ask Mr. Zhang for help.