If you smell the flowers before you go to sleep, you may just sweet dreams.
| A．keep up with | B．put up with | C．end up with | D．catch up with |
_________ her son outside the school gate, she drove straight to her work place.
| A．To drop | B．Dropped | C．Having dropped | D．Having been dropped |
The ship will go faster if we sail _________ the wind.
| A．by | B．for | C．with | D．after |
The president is planning to increase the number of the students _________ to the university next year.
| A．to admit | B．to be admitted | C．admitting | D．being admitted |
--Is your dad at home?
--No, he_________ out.
| A．goes | B．has gone | C．will go | D．is going |
. --Can you smell something _________ in the house?
--Oh! I forgot to turn off the gas cooker!
| A．to burn | B．burning | C．having burnt | D．having been burnt |