用所给动词的正确时态填空。
1.It takes about an hour _____(go) to Changzhou by bus.
2.He left home without _____(tell) his mother.
3.My sister seldom _____(play)volleyball now .
4.Look ! Lily's cat _____ (lie)on the sofa comfortably .
5.It's time for us _____(exercise) now .
6.I am planning _____ (take) a holiday to the USA.
