---Excuse me, could you tell me _______?
---Sorry, sir. I wasn't there at that time.
A. how did the accident happen
B. how the accident happened
C. how does the accident happen
My mother won’t let me ________ the cell phone when I do my homework.
| A．to use | B．use | C．used | D．using |
I haven’t seen the film “Cinderella(灰姑娘)”and __________.
| A．neither have my mother | B．so have my mother |
| C．neither has my mother | D．so has my mother |
Our school celebrates Tree Planting Day _______ March, 12th every year.
| A．at | B．for | C．in | D．on |
Our classroom is cleaner than _______. We clean it every day.
| A．they | B．them | C．theirs | D．their |
Jack and I went on ________ two-day trip to Nanjing last weekend.
| A．an | B．/ | C．a | D．the |