The number of the students in our grade _______about ______,and of them are girls.
---Mr Ding,I have some trouble ______the passage! ----Remember _____it three or four times at least ! A,to understand ,readingB.understanding ,reading C.understanding ,to readD.to understand ,to read
There are so many kinds of pens in the shop ,I can’t decide ______.
The young man used to _____to work, but he is used to ______to work now.
---Please turn off the light. ---OK, Mom. I won’t leave the room ______ the light _____.
--- He went to see the man who was in hospital yesterday. --- ____________.