Emergency line operators must always _______calm and make sure that they get all the information they need to send help.
A. grow B. appear B. become D. stay
I’m waiting for the mail. Do you know _____ it will arrive?
| A．when | B．where | C．how | D．what |
His parents died when he was young, and he was_____ by his aunt.
| A．brought out | B．brought in | C．brought about | D．brought up |
–Did you plan to meet here? -- No, we met ____.
| A．with mistake | B．by accident | C．by the way | D．with chance |
We don’t doubt _____ he will succeed in the research work.
| A．that | B．whether | C．how | D．what |
LiMing speaks very good English _____ he were an English boy.
| A．so that | B．even though | C．as though | D．now that |