The scientists are able to ________ accurately when the spaceship will reach the 
moon.
| A．accumulate | B．calculate | C．appoint | D．estimate |
In order to improve English, __________.
| A．it is necessary to need a lot of practice. |
| B．a lot of practice is needed. |
| C．you need a lot of practice |
| D．it needs a lot of practice. |
----I’ve looked everywhere, but I haven’t found any black ink.
----Then, I’m afraid there is _______ left.
| A．nothing | B．no one | C．none | D．neither |
I want to know who________for the spoiled child.
| A．is to be blamed | B．to blame | C．should blame | D．to be blamed |
----Are the new rules working ?
----Yes. _______books are stolen.
| A．few | B．More | C．Some | D．None |
----Michael was late for Mr Smith’s oral class this morning.
----_____? As far as I know, he never came late to class.
| A．How come | B．So what | C．Why not | D．What for |