The math problem is _____ difficult that only _____ students can work it out.
____________ honest the boy was! All the students told a lie ____________ him.
--- Simon has gone abroad to have ____________ European tour. --- Oh, really? It must be ____________ unusual trip for him.
He used to up late,but now he gets used toup early .
-- Who the football game last night? --Class 1.They did their best andClass 2.
Someone knocked at the door he was doing his homework.