We went to Canada to travel and my cousin ___ as our guide.
There standing _______ the hawthorn tree that stands for their love while _______ are the lovers.
Once ______ from space, the Great Wall is till great in sight.
A goal is to one’s life ________ a sail is to a boat. _______ can one succeed without a goal.
When I was in Suzhou, I found all the streets ________ neatly (整齐地).
The police recommended that the ________ in the accident ____________ to the hospital nearby at once.