Three students in ten will go and _____ to stay in the classroom.

I would appreciate________, to be frank, if the goods could be delivered as soon as possible.

Helping others is a habit,     you can learn even at an early age.

He knew the files could be of help to        took over the job.

--- Mum, have you seen my mobile phone?
---______ you bought last week? I’m afraid I haven’t seen _____．

More than 100 students have entered for the competition and________ gains the most points will be the winner.

---Is there anything else I can do for you, Jack?
--- No, thanks. I really appreciate ______ when you lent all your notes to me before the exam.

Both of them refused to say sorry and neither was willing to talk to      .

Annoyed by the salesman’s bad manners, John chose       of the two computers on sale and left．

The two tables are of the same shape but the one made of steel costs more than ________ made of wood.