Once education is made free，many children who have dropped out of school .
| A．will come back | B．came back | C．have come back | D．had come back |
— I saw your uncle take a taxi to the airport. Why didn’t you drive him there?
— I ________. But my car ________.
| A．would; was fixed | B．would have; was fixed |
| C．would have; was being fixed | D．did; was being fixed |
She negotiated with her new boss and accepted the position ______ there would be opportunities for advancement.
| A．in case that | B．on condition that | C．for fear that | D．in order that |
______ to too much sunlight, as is generally considered, will add to the potential of catching skin cancer.
| A．Being exposed | B．Exposed | C．Exposing | D．To expose |
— Mr. Smith was really helpful when you were in financial difficulty during those years.
— Definitely. I can never appreciate his kindness ________.
| A．seriously | B．well | C．enough | D．properly |
— ______ the woman with the baby come over? We have a seat here.
— Thank you, sir. Actually I do have my seat here. But my baby likes to look out of the window.
| A．Would | B．Shall | C．Must | D．May |