The painting is .so valuable that it is difficult to calculate____ its price would be.
A that
B. which
C．what
D.＼
You seem to have a ready—made answer _______ I ask you a question．
| A．however | B．whatever | C．whichever | D．whenever |
一You have made great progress in your studies of English，haven’t you?
一Yes，but much _______ ．‘
| A．remains to do | B．is remained to do |
| C．remains to be done | D．is remained to be done |
________ to overcome the difficulty，he works day and night．
| A．Determined | B．Determining |
| C．To determine | D．To be determined |
He is always _______ not to do that；but he still goes on doing it all the same．
| A．telling | B．being told | C．told | D．to tell |
At last，we found ourselves in a pleasant park ________trees providing shade(荫凉)and sat down to eat our picnic lunch．
A．forB．fromC．of D．D. with