The Maths problem is so difficult that _______ students can work it out.

I want to buy a nice present ________ mymother and I must give it ________ her myself.

Little Tom wants to have some beef. Can you __________

When asked to explain _____ he does to make his students so fascinated with his lessons, the teacher paused and thought deeply. [ ]

Give me a minute to check out, and I’ll meet you outside the hotel.—________, Mike. I am not in a hurry.