He _____ without saying good-bye to them, for he always has good manners.
| A．mustn’t have left | B．may not leave | C．shouldn’t have left | D．can’t have left |
You should take an umbrella with you_____ it might rain on the way
A. in case B .so that C because of D. as if
You ______ pay much attention to your reading skill. It’s so important.
| A．can | B．would | C．may | D．should |
Get dressed quickly, _____ you’ll be late for school.
A. so B. and C. or D but
I find _______important to know about the culture when learning a language.
| A．this | B．which | C．what | D．it |
— Do you know where Kate is?
— No, I don’t. I______ her since last week.
| A．didn’t see | B．haven’t seen | C．won’t see | D．don’t see |