Sofarscientistshaveonlyacquired________understandingofthephysicalprocessesthatcauseearthquakes.
A
A 不完全的、部分的 B 易变的、可变的 C 原先的、最初的 D 个人的、个别的
Thechallengeisnotoneofexpansion._______,therapidgrowthinenrollmentoverthelast40yearshascometoanend.
So far scientists have only acquired ________ understanding of the physical processes that cause earthquakes.
Thetrafficwasheldupformorethanthirtyminutes,________causedmetoarrivelate.