Up to Tuesday's attack, the worst school shooting in the U. S. was in March 1998 in Jonesboro,______two boys, aged 11 and 13, shot and killed a teacher and four girls.
-- I bought the dress at _____ normal price. -- Well, it’s a _____ bargain.
----I can’t thank you more for the present you sent me the other day. ----____________.
Do you remember those days _______ we spent together along the seashore very happily?
For _______information about present national boundaries, we’d better refer to an up-to-date map.
When you are in trouble, you may _______ your teacher and classmates for help.