—Are you going to Guilin by plane?—It’s fast but expensive, so I’m not sure. I __________ take a train.
The children enjoyed ______ in the zoo.
My parents have fun___ by themselves. The food they make always tastes ___.
Thanks a lot for ______ me ______ your house for dinner.
It’s your turn ____ a report.
—Is Rick there? —No, he for Beijing three days ago.