30．--Turn on the radio．

-- ________?

--I asked you to turn on the radio．

A．Excuse me           B．Sorry                         C．Don't you               D．Pardon

29．--Do you think the rain will stop tomorrow?

-- ________．It has rained for half a month．It's too wet．

A．I hope that                                               B．I'm sure it will

C．I'm afraid it will                                        D．I hope so

28．-- ________ does your mother do?

-- ________ She is a worker．

A．Who                   B．Where                 C．How                      D．What

27．--If you have any trouble．be sure to call me．

-- ________．

A．I am sorry to hear that                             B．I will．Thank you very much

C．I have no trouble                                       D．I will think it over

26．There will be ________ interview between the manager and his assistants this afternoon．

A．an                       B．a                         C．the                        D．／

19．How long will the party last?

A．Three hours．                    B．Three and a half hours． C．Four hours．

18．How many classmates of David's will come to the party?

A．Fourteen．                        B．Fifteen．                    C．Sixteen．

17．Who will cook dinner before the party?

A．David's parents．                 B．David and his father．

C．David and his mother．

16．Where will David have his birthday party?

A．In his uncle's house．         B．At home．                    C．In a restaurant．