________ about wild plants that they decided to make a trip to Madagascar for further research.

A. How curious the couple were                B. The couple was so curious

C. So curious the couple was                           D. So curious were the couple

 —What have you been busy doing recently?

—_________ for the coming conference.

A. To prepare                      B. Prepared         C. Prepare      D. Making preparations 

 We are shocked to find _________ water has been polluted.

  A. large quantities of    B. a great number of    C. a good deal of   D. a plenty of

 When we meet these injuries, we should do ______ first aid to the injured or call ______ First aid Center.

A. the, the                    B. a, the                 C. a, a                D. /, the

_______ time to settle down _______he sold the house.

A. Hardly had he had, than                  B. He had hardly had, when  

C. Hardly did he have, when                 D. He had hardly had, than

 — Brad was Jane’s brother!

—_______ he reminded me so much of Jane!

A. No wonder             B. Above all         C. No doubt          D. Of course

 ______ the programme, they have to stay there for another two weeks.

A. Not completing                                        B. Not completed    

C. Not having completed                                 D. Having not completed

 The place _____ the bridge is supposed to be built should be_____ the cross-river traffic is the heaviest.

A. which; where    B. at which; which       C. at which; where     D. which; in which

 _______stealing money, the man was brought to court.

A. Charging with      B. Charged of         C. Accusing with                       D. Accused of

 Helen always helps her mother even though going to school ______ most of her day.

 A. takes up          B. makes up           C. saves up            D. puts up