In the cross-lake swimming race, a boat will be ____in case of an emergency.
| A．standing by | B．turning on | C．getting on | D．running on |
The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
| A．acquainted | B．informed | C．known | D．advised |
Do tell me the way you think of_____ the problem as soon as possible.
| A．to solve | B．solving | C．solve | D．being solved |
------ 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 |