You must keep your eyes      if you are going to make your trip      enjoyable and worthwhile.

A, opened, to be     B, open, to be                  C, opened,  be            D, open,  /

     interested her most was the longitude line,      is an imaginary line dividing the world.

A, That, it            B, What, it                             C, That, which            D, What, which

We all feel it is Jack as well as his wife that ____ for their son’s bad behaviour at school.

A. is to blame         B. is to be blamed                    C. are to be blamed                D. are to blame

When you finished a piece of writing, check that       that the tenses are consistent and the

spelling is correct.

A, they are making senses                         B, it makes sense    

C, it makes senses                                D, they make sense

As is well known, it is Hawking who       the theory of black holes.

A, puts forward      B, has put forward     C, invented      D, raised

 It is important and necessary for us to wash our hands before eating, because we can

       disease       our bodies with the meals.

A, absorb, into                   B, take in, to                       C, suffer from, in    D, take, out of

There is no       to worry. He is old enough to take care himself.

A, difference       B, need                           C, possibility                D, sense

The computer system       suddenly when I was surfing the internet.

A, broke down     B, broke up                C, broke out                         D, broke in

The Group of Eight is an organization       the richest countries in the world.

A, is consisted of     B, consisting of     C,consists of                D, consisted of

       in the rules that you should not tell others the password of your account.

A, What is required     B, What requires     C, It is required     D, It requires