--- I did not see your elder brother at the lecture yesterday.
---You ______him, since he went to see Chinese Zodiac---Jackie Chan’s 100th movie.
| A．mustn’t have seen | B．couldn’t have seen |
| C．shouldn’t have seen | D．needn’t have seen |
A Christmas tree is ______ sign that can only be understood as far as ______ certain cultural understanding is concerned.
| A．the, / | B．a, the | C．a, a | D．the, a |
Unlike the earth, Mars is too cold and Venus is far too hot _______ there to be any life.
| A．as | B．so | C．like | D．for |
It's known to all that large quantities of TV and Radio programs in China were produced
_________ people’s concern over edible oil last year.
| A．to raise | B．raising | C．raised | D．having raised |
--- A robot dog provides you with unconditional love, gentleness and undemanding attention.
--- _____ Does it do what every small dog is supposed to do?
| A．That’s reasonable advice. | B．Isn’t it a good idea. |
| C．Do you think so | D．I can’t agree more. |
—This is the first time I __________ my first picture with my own hands.
—It's time that you __________ a picture for me.
| A．took; will take | B．have taken; took |
| C．took; took | D．will take; have taken |