“This is ______ most useful reference book, ” Mr. Lee told us in ______ class.
| A．the; a | B．a; 不填 | C．不填; 不填 | D．a; a |
______ entering the room, she opened her bag to review lessons.
| A．Since | B．Only |
| C．Unless | D．Upon |
This is the reason ______he explained at the meeting for his carelessness in his work.
| A．that | B．what | C．how | D．why |
______ is a waste of time spending many hours ______ computer games every day.
| A．It; to play | B．That; to play |
| C．It; playing | D．That; playing |
He is a man of great experience ______ we can learn a lot.
| A．who | B．that |
| C．from which | D．from whom |
— After I expressed how sincerely I wished to get his help, he agreed to help me at last.
— I can understand. ___________ .
| A．A constant guest is never welcome |
| B．Practice makes perfect |
| C．Mind acts upon mind |
| D．Faith can move mountains |