According to the new class rule, students found cellphones in the classrooms will be asked to leave the rooms immediately.
| A．use | B．to use | C．using | D．having used |
______ in my life impressed me so deeply as my first visit to the Palace Museum.
| A．Anything | B．Nothing | C．Everything | D．Something |
We _______ on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |
What the doctor really doubt is_____my mother will revover from the serious disease soon.
| A．when | B．how | C．whether | D．why |
Her name was on the _______of my tongue, but I couldn’t tell it.
| A．point | B．edge | C．top | D．tip |
________her home, Mary helps her mother with some housework.
| A．As soon as she returns | B．On arriving |
| C．After she gets | D．Immediately she reaches |