1 The piano must_(clear)once a day.

问题描述:

1 The piano must_(clear)once a day.
2 Jim said that he_(go)visit his aunt the next year.
3 Our teacher_(have)a meeting at this time yesterday.
4 Grandpa_(sleep)now.Please _(not make)any noise!
5 -_you ever_(be)to Shanghai?
-No.I_(go)there next month.

would go to
had
is sleeping do not make
have been
will go