Ⅰ.单句语法填空
1．What about the admission qualification(qualify) for a master's degree?
2．He walked slowly，his hands buried(bury) in his pockets.
3．He instructed me to deliver(deliver) it to a customer.
4．The drug is suspected of causing(cause) over 200 deaths.
5．A lot of industrial workers got laid off during the depression.
6．The foreign policy and the national security(secure) of this country are involved.
7．We could have faced(face) the difficulty together，but why didn't you tell me?
8．He speaks English as if he were(be) an Englishman.
9．Microbes are too small to be seen(see) by the naked eye.
10．It's a pleasure to be with you.However，I think it's about time for me to leave(leave)．
