1.(Lead) .................., a very important skill, offers you the opportunity to get a good job.
2.We couldn't understand hisessay because he wrote so many (grammar) ................ sentences.
3.The competitor was (qualify) ............ from the tournament as he had used the steroids.
4.My teacher is very (know) .............. about the hitory of Vietnam.
5.In some of the world's (biology) .................. richest regions, growing coffee can have a destructive impact on nature.
6.The first (inhabit) ................ of this island come from Europe.
7.Due to numerous complaints from the motorists, the Transport Department has dministered funds for (wide) .......... the narrow streets in the town.
8.(Regard) ................. of the rough sea and the awful climatic conditions, the search for the missing crew members was continued.
9.Not (surprise) ........................ on such a hot day, the beach was crowded.
10.Several guests have expressed thier (satify) ............... with the faulty air-conditioning in their rooms.