A new case study says Chinese companies face tough _____in the US and have a long way to go to be successful.
| A．challenges | B．campaigns | C．motivations | D．dilemmas |
—Have you _________some new ideas?
—Yeah, I’ll tell you later.
| A．come about | B．come into | C．come up with | D．come across |
The writer is known ________her novels.
| A．to | B．in | C．for | D．as |
The kind old lady offered to ________the poor homeless stranger.
| A．take off | B．take in | C．take up | D．take out |
It _________have rained last night, for the ground is wet.
| A．may | B．should | C．will | D．must |
Bob is ________crazy about Beethoven that he knows all his works well.
| A．so | B．such | C．too | D．much |