It is fashionable to drive a car, but to drive a car is not nearly as difficult as it is imagined on condition that you ________ the specialized rules.
| A．give up | B．stick to | C．insist on | D．connect to |
The roof fell ________ he had time to dash into the house to save his baby.
| A．as | B．after | C．until | D．before |
Tom make up his mind to get a seat for the football match ________ it means standing in a queue all night.
| A．as if | B．as though | C．even if | D．whatever |
________ I had walked for six hours, I was tired out.
| A．After | B．Before | C．When | D．As |
One of the men present held the view ________ the book said was right.
| A．what that | B．what | C．that | D．that what |
________ happens in the world makes us happy and sad by turns.
| A．That | B．What | C．Which | D．Whether |