---Do you know _____ back tomorrow?
- --Sorry, I don’t know. When he _____ back, I’ll tell you.
| A．when does he come, comes | B．when he comes, will come |
| C．when he will come, comes | D．when will he come, will come |
The English teacher isn't here. She ________ to the office.
| A．has been | B．has gone | C．went | D．did go |
The physics teacher said that light _______ much faster than sound.
| A．travels | B．traveled | C．to travel | D．was travelling |
—Could you tell me _______ it take to go from here to Harbin by car?
—About fifty minutes.
| A．how long | B．how much | C．how many | D．how often |
The mixture smelt terrible, but the little boy _______ taste it.
| A．made to | B．was made | C．was made to | D．make |
Nowadays _______ like to work at home, _______ like to go abroad.
A. one, the other B. some, others C. some, the others