一When shall we start the restoration of the historic buildings?
一Not until our plan________ by the committee.
| A．will be approved | B．approves | C．is to approve | D．has been approved |
When deeply absorbed in work,he often was, he would forget all about eating or sleeping.
| A． | that | B． | which | C． | where | D． | when |
George said that he would come to school to see me the next day, but he.
| A． | wouldn't | B． | didn't | C． | hasn't | D． | hadn't |
Jerry did not regret giving the comment but felt ______ he could have expressed it differently.
| A．why | B．how | C．that | D．whether |
One learns a knowledge by making mistakes and ______ them.
| A．corrects | B．correct | C．to correct | D．correcting |
By the time you have finished this book, your meal ______ cold.
| A．gets | B．has got | C．will get | D．is getting |