It will not be ________ we can meet again.
It is wise to put milk on a shelf close to the bottom because it is especially _______ to temperature changes
The detective, ______ to be reading a newspaper, glanced at the man_____ next to a woman.
Each member country WTO must ___________ its laws and regulations and compete on the principle of fairness and cooperation.
Mary ______ all the housework, she dropped herself into the sofa, sighing with relief.
Scientists say human activity contributes to climate change, but they do not agree on the rate_______ climate change may be developing.
粤公网安备 44130202000953号