So absorbed ________ in the research that she didn’t hear someone knocking at the door.
Every minute is made full ______ of ______ our lessons.
---- Excuse me, Dad, but I am going to the club to meet my friends in the football team. ---- OK. _________.
Some of the naughty boys were standing by the Green Lake, ______ swimming suits.
--- Could I borrow your umbrella , please? ---- I’m afraid you _______.
I ‘m going to buy my daughter another interesting novel, ______ she would like to read.