Rickets.... popular among some countries in Africa.
A.is
B.are
C.were
D.have

The Netherlands .... a parliamentary democratic constitutional monarchy, located in Western Europe.
A.is
B.are
C.has been
D.have

We were late because we had some car problems. By the time we.... to the train station, Susan.... for us for more than two hours.
A.got / had been waiting
B.had got / were waiting
C.had been getting / waited
D.were getting / waited

Mike.... to sit down because he.... all day at work.
A.had been wanting / was standing
B.had wanted / stood
C.wanted / had been standing
D.was wanting / had stood

The motorcycle…. to George for years before Tina it…. last week.
A.belonged / had bought
B.was belonging / has bought
C.had belonged / bought
D.had been belonging / bought

No matter what.... next, I.... you.
A.will happen / support
B.happened / would have supported
C.happens / will support
D.is happening / have supported

Wait a minute, I....this box for you.
A.am carrying
B.will carry
C.carry
D.am going to carry

I…. a mystery movie on TV when the electricity…. out.
A.will be watching / is going
B.watched / was going
C.was watching / went
D.have watching / goes

While the doctor.... Mr. Jones, his son.... outside this morning.
A.was examining / was waiting
B.will be examining / are waiting
C.had been examining / was waiting
D.are examining / is going to wait

When the boss.... into the office, his secretary.... , and the accountant.... on the phones
A.was walking / has been typing / has been talking
B.had walked / was typing / had talked
C.walked / was typing / was talking
D.had been walking / had typed / talked