Don’t worry too much about ___ mistakes.They ae ___ natural part of learning.
| A．the, a | B．/, a | C．the,/ | D．the, the |
— What’s the matter with you?
— After the long walk, my legs _______ and I couldn’t even take one more step.
| A．gave out | B．wore out | C．ran out | D．tired out |
Please keep ______; I’m taking a photo of you all. Say “Cheese”.
| A．calm | B．still | C．quiet | D．silent |
. Just like a voyage at sea, our life journey, ______ time is limited, is full of difficulties as well as opportunities.
| A．what | B．of which | C．while | D．whose |
— How could they keep us waiting for so long?
— They got on the bus half an hour ago and they ________ be here in ten minutes, I think.
| A．might | B．would | C．should | D．must |
_______ fashion differs from country to country results from cultural diversities in the world. 
| A．What | B．That | C．This | D．Which |