---Do you think he will do me a favor?---As far as I know, he is the last one ___ others. He ___ be prepared to give you a hand, though.
Some of you may have finished unit one. _____, you can go on to unit two.
____ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.
— Hello, may I have an appointment with the doctor? — ___.
Now a lot of new technologies can ___ problems in industry.
The doctor advised her to eat more bean products ____ meat which might be harmful to her heart.