3.  In an open society, people enjoy complete freedom of different religious ______, as long as they don’t do harm to the stability of the society and its people.

A. ideas       B. beliefs     C. believes    D. origins

20. The teenagers wonder what ______makes Jay a successful pop singer.

  A. is it           B. is it that        C. it is       D. it is that

26．—Why are your hands so dirty?

    —I________in the garden．

A．was working    B．have worked   C．worked        D．have been working

29．Someone________his car in front of my house and it is blocking my driveway.

       A．has parked       B．is parking C．parked      D．had parked

The flowers will die soon unless often ________.

       A.watering              B. to water        C. water          D. watered

We should follow the example of our parents, ______ more and taking less.

  A. hoping      B. doing             C. saying            D. giving

His poor _____ English prevented him _____.

A. spoken; from understanding     B. spoken; from being understood

C. speaking; from understanding   D. speaking; from being understood

I found John _____ the desk, _____ his homework carefully.

A. seated at; to do                  B. sitting at; doing

C. sat at; does                      D. taking his seat at; to do

There is a new problem involved in the popularity of private cars _____ road conditions need _____.

A. that, to be improved  B. which, to be improved

C. where, improving             D. when, improving

The pale face of my friend suggested that he ______ in poor health, and I suggested that he ______ to see a doctor.

A. is; went           B. was; goes        C. should be; go             D. was; go