--- It’s the office! So you ______ know smoking is not allowed here.
--- Oh, sorry.
A.must | B.will | C.may | D.Need |
________ some students are not aware of is ________ difficult life can be if they are not devoted to study.
A.That; how | B.Which; what |
C.What; what | D.What; how |
________ you are supposed to do ________ you don't like a thing is change it. Don't complain.
A.That; why | B.What; when |
C.What; where | D.That; how |
His younger sister may already be in high school now, in ________ case this picture book is too childish for her.
A.that | B.which |
C.whose | D.what |
It is by no means clear ________ the president can do something to end the strike.
A.whether | B.which |
C.that | D.what |
Good shoes, clothes and a backpack are the basic ________ you need for your hiking.
A.equipment | B.instruments |
C.tools | D.models |