Criticism and self-criticism _____ necessary _____ it helps us to correct mistakes.
A wellwritten composition ________ good choice of words and clear organization.
Mother always complains that children ________ their shoes very quickly.
Recently the Chinese society has ________ a flow of new words such as “Geili” and “Shanhun”.
The two countries agreed to ________ their differences and work together for peace, which has a positive effect on the international situation.
Camels have three eyelids to ________ themselves from the blowing sand.