Hello! May I speak to Alice—Sorry, she _____ Shanghai.

We’ll make a trip to Hainan Island next weekend. Will you go with us—No, I can’t _____ it at present.

20________of both sides, the two companies decided to _______ to become more competitive in the global market

oing to be some time _____ he seeshis father again, _____ business has just been started in Switzerland

History is the best teacher It ________ records the development path of each country and foretells the future to us