You _____only half the price ,how would the seller sell the book to you ?
| A．spent | B．paid | C．charged | D．offered |
In that school, English is compulsory for all students, but French and Russian are ______.
| A．special | B．regional | C．optional | D．original |
What are you doing out of bed ,Tom? You are to be asleep.
| A．supposed | B．known | C．thought | D．considered |
Genius is a complicated concept , many different factors.
| A．involved | B．involving | C．to involve | D．being involved |
We had hardly arrived at the foot of the Yuntai Mountain it began to rain heavily .
| A．than | B．when | C．until | D．after |
I am calling to consult the position in yesterday’s Tianjin Daily .
| A．advertised | B．to be advertised | C．advertising | D．having advertised |