共50条信息
After the six-party talk in Beijing, an agreement was reached _____ that North Korea would abandon______ nuclear weapons.
The lecture mainly deals with the trouble young children have ______ right from wrong.
____ to nuclear radiation even for a short time may produce variants of genes in human bodies.
The book is interesting and worth __________ a second time.
It's no use _____ without taking any action.
You can't avoid _____ in language learning.
进入组卷