---Have you heard of the Zhengzhou-Xi’an passenger Dedicated Line ___ can shorten 5 hours’ travel time between the two cities ?---Of course .A. where B. when C which D. who
-------The box is ____ heavy for me to carry. Can you help me? ------- Certainly.
. -------Tom, I’m watching a football match. What about you? -------____.
-------May I take my pet dog with me into the cinema? -------The rule says no. So you ______.
-----It’s hot. Would you mind my _____ the window? ------ _____.Do it as you like, please!
Why don’t you _____ your teacher for help when you can’t finish _____ it by yourself ?