From the teacher’s patience and understanding, I have learnt what a big responsibility______is to educate us.
—I’ve told Nancy many times about the meeting, but she still forget it! —I understand. Actually, anyone ______ be very forgetful at times.
Having a trip abroad is certainly good for the old couple, but it remains _____ whether they will enjoy it.
She was so _____ in her job that she didn’t hear anybody knocking at the door.
I don’t think ____ is any need for a guide on our journey.
—Dad, why do I have to wear a black suit and a tie? I like casual clothes. —Dear, this interview is important to you and usually _______.