They experimented _____the new medicine _____animals. A.on; to B by ; on C.with ; on D with; to
103. “Now we arenot of funds(money) but of high technology”, the village leader said.
102. He had ____________ injuries to the head and neck in the accident.
101. This is____ ! You can’t be too careful enough of tomorrow’s meeting.
100. Without their parents’ permission, they kept their marriage ________ until last year.
99. It’s a _______ state of affairs when you can’t go out at night for ______ of being attacked.