I don’t think _________ possible to master a foreign language without much memory work.
People who tend to focus on ______ while speaking a foreign language may find that they worry too much about making mistakes.
Life is like _________ ocean; only ________ strong-willed can reach the other shore.
The two girls are so alike that strangers find________difficult to tell one from the other.
The manager had fallen asleep where he_______,without undressing.
Give yourself 10% of________is left for your work and let me have the rest.