Although we met with some difficulties in building the railway, we were still _____ about finishing it before the deadline.
| A．consistent | B．enthusiastic | C．responsible | D．optimistic |
______ metals are good conductors, silver ______ the best conductor of all.
| A．Almost, being | B．Almost all, being |
| C．Almost, is | D．Almost all, to be |
Instead, he seemed to see Tom ’s face, with the wide smile he ______ whenever he told a joke.
| A．wore | B．brought | C．appeared | D．carried |
----- I can ’t see the words on the blackboard clearly.
----- Why, your eyes need _____ perhaps you need _______ glasses.
| A．to examined, to wear | B．to examine ,to wear |
| C．to be examined, to wear | D．examining, wearing |
The typewriter _______ there all week.
| A．was laying on the table, were it had laid |
| B．was lying on the table, were it had laid |
| C．was laying on the table, were it had laid |
| D．lying on the table, had been laid |
This is the plane _______ he went to Shanghai ______ business.
| A．where, for a | B．by which, on the |
| C．in which, on | D．where, on |