1. Put the following events_______ according to the time when they happened and then put
them ______ of their importance in history.
A. in order; in order B. in the order; in an order
C. in an order; in order D. in order; in order
2. Though the experiment didn’t ______ as it had been planned, the result was still ______.
A. work out; satisfied B. carry out; satisfying
C. turn out; pleased D. work out; satisfactory
