When I talked with my grandma on the phone ,she sounded weak , but by the time we ____up ,her voice had been full of life.
| A．were hanging | B．had hung | C．hung | D．would hang |
No one could_______ their tears while watching the moving performances.
| A．take back | B．put back | C．draw back | D．hold back |
．He thought she was a pretty girl_______poorly she was dressed.
| A．how | B．as though | C．as long as | D．however |
．－May I keep this book for two days?
－No, you_______. It’s a library book for reference only.
| A．may not | B．mustn’t | C．needn’t | D．shouldn’t |
She couldn’t but_______for the PLA men to find and rescue her.
| A．wait | B．waiting | C．to wait | D．to have waited |
What shall human beings do if oil_______sometime in the future?
| A．will run out | B．runs out of | C．runs out | D．will be run out |