She is ____ (父亲的掌上明珠) but her mother is strict with her.
A federal law requires that, by 1975, new cars should be equipped with devices to remove ______.
Profs. John Kemeny and ______created the computer language BASIC, which helped hasten the personal-computer revolution.
Hands-on experience is a key part of life at__ university.
The term "smog" is the combination of two words: __ and ______.
________(考虑到他的年龄), we think the painting is great to some extent.