―________ fine day it is today!
D
考查感叹句和“so…that”的用法。
We________goouttorestaurants,butmostlyweeatathome.
Johnsonwas________unknownbeforerunningforthepresidency.
Youngerchildrenarecurious________howthingswork,andmanyofthemwanttotakeaparteverythingwithintheirreach.
By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.