The Yangzhi River is one of __________ in the world.
| A．the longest rivers | B．the longest river |
| C．longer rivers | D．longer river |
_______ lion is a dangerous animal.Don’t you think so?
A.A B.An C.The
.She rose from being a nobody to become a superstar.
A.a famous person B. an unknown person C.an important person
I like teachers who are amusing and can laugh with their students.
A.funny B.serious C.strict
Sometimes I take a No. 31 bus to work.
A.by B.catch C.get
—I wonder＿＿＿ like to be an astronaut(宇航员).
—I don’t know, but I imagine it’s exciting.
| A．what is it | B．what it is |
| C．whether is it | D．whether it is. |