Ⅰ. 单句语法填空
1．At a time of the economic crisis, a certain ________ (prior) should be very clear about what we need to do.
2．It was an ________ (exception) meal—the company was delighted and I felt all my normal reserve melting away.
3．Please have your boarding pass ready prior ________ departure.
4．At ________ minimum, you should send emoticons with your message.
5．It's not a waste of time and energy as long as you gain experience related ________ your job.
6．________ (lose) in thought, he didn't notice what had happened just now.
7．It's an occasion to have family feasts, buy new clothes and exchange red envelopes ________ (stuff) with gift money.
8．The summer camp group, ________ (consist) of 30 students, will start for Beijing and stay there for three weeks.
9．Peter Parker participated in a science exhibition, ________ he was accidentally bitten by a spider.
10．Everything he had ________ (take) away from him before he returned to his hometown.
