I don’t think it is difficult for a senior student to ________ the difference between “hurt” and “injure”.
In that case, there is nothing you can do _______ than wait.
Many people have helped with canned food, however, the food bank needs _____ for the poor.
It is generally believed that reading is_________ it is a science.
It's always difficult being in a foreign country, _____if you don't speak the language.
_______to take this adventure course will certainly learn a lot of useful skills.