The reason _____ so many people are crazy about Gangnum Style is _____ it’s good for bodybuilding, and it brings people a lot of fun.
| A./; that | B.that; because | C.why; because | D.why; that |
She was putting on her watch when the _____ broke and it fell to the ground.
| A.belt | B.strap | C.tie | D.string |
Psychological studies show that some people are quick-tempered _____.
| A.at heart | B.on purpose | C.in person | D.by nature |
The _____ stuck on the outside of the envelope said "By Air".
| A.label | B.ticket | C.signal | D.sign |
It was the largest experiment we had ever had; it _____ six hours.
| A.ended | B.finished | C.prolonged | D.lasted |
I have been looking for this book for months, and _____ I have found it.
| A.at least | B.in no time | C.at last | D.at present |