Many scientists believe sea levels ______ by more than one meter by the end of the 21st century.
| A．will be risen | B．will have risen |
| C．will have been | D．will be rising |
---- Who is it that is making so much noise upstairs?
---- ______ the students preparing for the New Year’s Party.
| A．There are | B．They are | C．It is | D．That is |
----What’s that smell?
---- I don’t know, but ______ it is, it’s terrible!
| A．whatever | B．however | C．whichever | D．wherever |
We thought there were 35 students in the dining hall, ____, in fact, there were 40.
| A．while | B．whether | C．what | D．which |
She is very ______ about her ugly appearance, so you shouldn’t stare at her.
| A．sensible | B．sensitive | C．suitable | D．acceptable |
I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.
| A．/ ; the | B．a ; the | C．a ; / | D．/ ; / |