______ is defined as the study of the relationship between language and mind.

单项选择题We've just moved in to a bigger house and there's lot to do. Let's（）it.

A.keep up with
B.do away with
C.get down to
D.look forward to

单项选择题Which of the following best explores American myth in the 20th century

单项选择题Tim will call me as soon as he ______ my package.

单项选择题One more week,______I will get everything ready.

单项选择题Gun control is a subject ______ Americans have argued for a long time.