_____bargaining is so interesting—Sometimes it is a test to see who stand their groundfor the longest

Many Chinese airline companies had intended to get much the business,but it______so bad.

When Tracy was told her son’s illness could be cured, she left the hospital [ ]

Can you work out the maths problem— Sorry, I can ______ understand its meaning.

Your father is having a meeting now. I’m afraid he can’t pick up the phone.—Could I send him a/an __________