______is expected, according to the online survey, is that house prices will not go up any more.
| A．As | B． It | C． Which | D． What |
It is still a problem ______ to hide the stolen money.
| A．why | B．which | C．where | D．who |
----It is nice. Never before___________ such a special drink!
---- I am glad you like it.
| A．I have had | B．I had had | C．have I had | D．had I had |
______ the hometown, he went back to company.
| A．Having visited | B．Not having visited | C．Visiting | D．Not visiting |
----Will Barbara come to our party?
----I am not sure, because he ____ go to the concert with his friend.
| A．can | B．must | C．should | D．might |
The little girl is seriously ill. Luckily we have decided to do ______ it takes to help.
| A．whichever | B．whatever | C．whenever | D．however |