---What he enjoys _____ great and interesting.---Yes, but it’s dangerous.
-Dad, shall we go to the World Park tomorrow?-Sorry, I won’t be free, but you _______________ask Mum to go with you.
If your house catches fire, you should call _____________ for help.
- How can I get more information about the donation (捐赠) to Ya’an?-You can e-mail Mr Wang _______________ yaanearthquake@163.com.
________ animals are in danger and there will be ________ space for them if we don’t take any actions.
Has your sister finished watching the new film______? Yes, she has finished it ________.