—We have booked a room for today and tomorrow.

—_______,sir.

A.I’m sure                             B.My pleasure

C.It’s all right                               D.I’ll check

 _______ felt funny watching myself on TV.

A.One               B.This              C.It                    D.That

 _______ he had not hurt his leg,John would have won the race.

A.If                    B.Since             C.Though            D.When

 After two years’ research,we now have a _______ better understanding of the disease.

A.very              B.far               C.fairly                D.quite

 Speaking of all the songs he has written,I think this is probably his _______ one.

A.better-known                          B.well-known

C.best-known                                D.most-known

 If Joe’s wife won’t go to the party,_______.

A.he will either                            B.neither will he

C.he neither will                           D.either he will

 At the beginning of class,the noise of desks _____ could be heard outside the classrooms.

A.opened and closed                     B.to be opened the closed

C.being opened and closed                   D.to open and close

 I have _______ all my papers but I still can’t find my notes.

A.looked through                            B.looked for

C.looked after                              D.looked out

 —I’m sorry to have kept you waiting.

—_______,Bill.

A.You’re welcome                           B.Go ahead

C.Don’t mention it                         D.No problem

 —Is there anything wrong,Bob?You look sad.

—Oh,nothing much.In fact,I _______ of my friends back home.

A.have just thought                         B.was just thinking

C.would just think                          D.will just be thinking