请用语言学中 second language acquisition 的知识指出下列句子的错误并说明原因.
Identify the errors in the following sentences and trace the possible causes for each error.
a) Please do not hinder my work.
b) --- Would you mind lending me your tape-recorder?
--- Yes,certainly.
c) During the meeting we discussed about the research project.
d) Alison is in poor health.She is easy to catch cold.
e) The light can impress the film and in this way to fix the image of the film.
f) The scenery is too beautiful to describe it.