Unless all the members agree to __8__to the plan there may be further development in the course of action.
A、tumbleB
【句意】除非所有成员都同意坚持这个计划，否则行动过程中会有进一步改进。
【难点】stickto意为“坚持;坚守”;tumbleto意为“突然察觉”;cometo意为“降临，发生”;adjustto意为“调整;适应”。
The ____of AIDS has led to an expansion in research seeking a cure.
Dr. Yang worked ______ three days ago.
---Wouldyouliketogooutforawalkwithus?
---_____,butImustfinishmyhomeworkfirst.
____ what may, we’re not going to make any concessions to his unreasonable demands.
Due to the bad weather the plane was ____ for two hours.
