(1) He's been_____(hiccup)for 5 years.
(2) Would you mind _____(wait) for me ?
(3) I____(send) the letter right away.
(4) As a student you should be ________(impolite) to your teacheners.
(5) In summer it is ______(excite) to surf at sea .
(6)Tony and Tom are twins .And Tony is _______(stong) of the two .
(7)It's important _______(learn) English well.