求助！！！！急！英文高手帮帮忙！！

26.The most【 frustrated 】(frustrate)thing is that I can’t fly to your side to help you.
27.Since she was 【retired 】(retire),she has turned her interests to her Internet.
28.Young people like to take on【challenging 】(chiallenge)jobs.
29.Many countries became concerned with the Us-led MATO’s recent【participate 】(participate)at the colloquium.
30.Howeve,there are two disagreements among some Asian and European【 participators】（participate）at the colloquium.
31.Asians and Europeans can make important【 contribution 】(contribute)to wards the evoutiion of such a consensus.
32.In the middle of the room there was a christmas tree (decorate)【decorated 】
with colored lights and glass balls.
33.We acknowledged that we are all【guilty 】(guilty)of double standards.
34.They decided not to visitthe Great Wall because it raining (heavy)【heavily 】 .
35.I was【 ___impressed___】(impress)by the role of the professor in the seminar.

26.frustrating
27.retired
28.challenging
29.participation
30.participants
31.contribution
32.decorated
33.guilty
34.heavily
35.impressed