---How long ______ in Shanghai?
--- For two weeks. I’m going to visit some schools in 
Shanghai.
| A．did you stay | B．are you staying | C．do you stay | D．have you stayed |
The little child didn’t understand thequestion so there was a expression on his face.
| A．puzzling; puzzled | B．puzzled; puzzled |
| C．puzzling; puzzling | D．puzzled; puzzling |
He will be in charge of the company, for he has rich experience in business.
| A．the ; 不填 | B．不填；不填 |
| C．the ; a | D．不填 ; a |
— Have you heard about a big fire in the paper factory?
— There’s nothing in the newspaper about it.
| A．Of course. | B．Who cares? |
| C．Thank goodness. | D．Are you sure? |
________ in a red coat，she stood out in all the students.
| A．Dress | B．Dressed | C．Dressing | D．To dress |
The plane crashed，________ all 200 people aboard.
| A．killed | B．having killed |
| C．killing | D．had killed |