The computer was used in teaching. As a result, not only__________, but students became more interested in the lessons. 
| A．saved was teachers’ energy | B．was teachers’ energy saved |
C．teachers’ energy was saved | D．was saved teachers’ energy |
Xiao Ming practises his spoken English once there is a chance and that is_________ it takes to live his dream to be a good guide．
| A．what | B．that | C．how | D．why |
Success means working hard, but working hard doesn’t mean success.
| A．certainly | B．necessarily | C．probably | D．possibly |
Although the necklace is not made of real crystal, the shape and its size still most young people to buy it.
| A．appeal to | B．fit for | C．go with | D．apply for |
Some aspects of a pilot’s job__________ be boring, and pilots often ________ work at inconvenient hours．
| A．can; have to | B．may; can | C．have to; may | D．ought to; must |
The education system rather than the teachers __________for the overburden on the students．
| A．are to answer | B．is to answer | C．are answered | D．is answered |