When did you see her？ What ________ then？A.was she doingB.did she doC.is she doingD.has

Do you have ________ to say at the meeting?

A.anything important

B.important something

C.everything important

D.important anything

Will you have________ cup of tea?

A.the other

B.other

C.an other

D.another

Last Sunday my grandma had her ________ birthday.

A.ninety

B.ninetieth

C.ninties

D.ninetieth’s

Let’s go over________.

A.Lesson Third

B.the Lesson Third

C.the third lesson

D.Third Lesson

We’ll take ________ trip to Hangzhou tomorrow.

A.a two-days

B.a two-day

C.a two day’s

D.a two day

A group of ________will come to our school tomorrow.

A.Germany

B.Germans

C.German

D.Japaneses

问题在当下越来越重要； 2．信息泄密带来的危害； 3．如何做到信息安全?