Emergency line operators _______ always stay calm and make sure that they get all the information they need to send help.
| A．can | B．would | C．must | D．might |
. — Where is your uncle's home?
— In New York. But he___________in Boston for four years.
| A．has lived | B．lived | C．had lived | D．had been living |
— May I help you?
— Yes, I'd like to try on some sports jackets just like___________I'm wearing.
| A．it | B．one | C．the one | D．that |
— Did Jack come back early last night?
— Yes, It was not yet eight o'clock___________he arrived home.
| A．when | B．that | C．before | D．until |
— May I tell this to my close friend?
— No, you___________. Never let anybody else know about it.
| A．needn't | B．shouldn't | C．mustn't | D．can't |
By working slowly but surely towards your goal, you'll___________succeed.
A. eventually B. accidentally C. occasionally D purposely