Charles Darwin, a young man just out of university, knew perfect well that he had to depend on _____ when he set out on a voyage of discovery around the world.
| A．him | B．himself | C．themselves | D．them |
------ I ‘m going to join them in the play.
------- ______.
A. Have a pleasure B. That’s a very nice of youＣ. Have fun D. Have a fun
With the change of the economic foundation the entire immense superstructure is _____ rapidly transformed.
| A．anything but | B．more or less | C．at large | D．any more |
These desks and chairs can be ___ to the height of any child.
| A．adjusted | B．adapted | C．fit | D．adopted |
I really don’t know for certain____ they discussed.this important event very secretly.
| A．where was it that | B．where it was that | C．where that | D．it was where that |
_____ you keep on working hard, I don’t mind whether you get good marks in your class.
| A．As long as | B．As soon as | C．As well as | D．as far as |