Timmy is worrying aboutenoughtimethe work.

_____ that tears came to her eyes. [ ]

15．– How cold it is! I wonder how grass survive under such heavy snow． –Don’t worry．There is a lot of air in loose snow which _______．

Remember the first time we met?—SureYou _____________ the novel Gone With the Wind in the library

ageyour children to try new things, but try not tothem too hard