A．chin
B．bite
C．alive
D．side

A．mistakes are not important in the process of learning a language
B．learners are often very afraid of making mistakes
C．making mistakes can help the learner discover the rules
D．native speakers often do not tell foreign language learners about their mistakes

A．not used to express one's readiness to do something in the immediate future
B．used with some verbs but not with others to express future intention
C．basically the same in English as it is in Spanish
D．not the most difficult problem for foreign students