______ Chemistry is a branch of Chemistry.

A．ApplyingB．Apply C．AppliedD．Applicant

The secret of success is to be ______ existence，to be always calm，and to let each wave of life wash us a little farther up the shore.

A．in hope of

B．in harmony with

C．in need of

D．in honor of

—What do the letters “DOS” ______？

—Disk Operating System.

A．call for B．stand forC．head forD．care for

—I remember I ______my bag somewhere around here.—Really? I never saw it.

A.left            B.leave          C.was leaving               D.had left

—Hurry up!Alice and Sue are waiting for you at the school gate.

—Oh!I thought they______without me.

A.had gone                          B.are going

C.have gone                         D.went

They are only children of not more than twelve and don’t realize_______to organize such an exhibition.

A.when they take                        B.what it takes

C.how they take                         D.what takes them

)You can give the document to _______is in the office.However, _______to require a written paper for it.

A.who;make sure                        B.whom;making sure

C.whomever;be sure                    D.whoever;be sure

My money ___________ . I must go to the bank to draw some of my savings out before I’ve none in hand.

A. has run out                    B. is running out 

C. has been run out               D. is being run out

—I put him down for a well-educated man.

—___________ ?

—I mean that he's a well-educated man.

A. I beg your pardon          B. Speak louder, will you

C. What's that                D. Will you repeat word for word

The manager has to get all these washing machines______.

   A. to deliver      B. be delivered   C. delivered   D. delivering