The diversity of the original American Indian settlers was not quite as great as _________of the 18th, 19th.
—Why did the girl spend the whole day __ up in her room, ____? —She failed in the college entrance examination.
When ___ this medicine, it is a good idea to avoid ______ alcohol.
My father ___ my brother for driving but he wanted to pick ___ the knowledge of the computer during his spare time.
. It’s difficult to ____ a conversation in a noisy room.
Can you make a sentence to _____ the meaning of the phrase?