1.This park is our favorite place to hang out _______ we have space to skateboard. as soon as because of because although 2.He has been staying up late to study for an important exam, so he looks very _______. relaxed delighted stressed emotional 3.Why don’t you _______ this word in the dictionary? put on take up give up look up 4.As far as I know, China is _______ country in the world. the more populous most populous the most populous as populous as 5.Before Peter _______ to the café, he had already done all the chores. was going went had gone goes 6.My mother _______ my breakfast since I woke up. has prepared will prepare have prepared prepare 7.This question is difficult. I wish I knew how _______ it. answering answer to answer to answering 8.Your watch is broken. It needs _______. being repaired repairing to repair to repaired 9.The artisans are ___________ that the final products are just absolutely marvelous. so skillful such skillful such a skillful so skillfully 10.The local traders used ___________ their pottery on the street. selling sold to sell to selling