58. Sequences of words that observe the rules of ____________ _______ are said to be well formed or grammatical & those which violate the syntactic rules are therefore ill formed or ungrammatical.

And ________ friends, some of the friendships I formed at college I still treasure today. A: as to B: as well C: as for D: as many

A grammatically well-formed sentence is always semantically well-formed.（ ）

All the grammatically well-formed sentences are not necessarily semantically well-formed.

All the grammatically well-formed sentences are semantically well-formed. A: 正确 B: 错误

中国大学MOOC: All the grammatically well-formed sentences are semantically well-formed.

All the grammatically well-formed sentences are not necessarily semantically well-formed. A: 正确 B: 错误

When was WTO formed? It was formed in _________.(阿拉伯数字回答）

A word formed by derivation is called a ______ , and a word formed by compounding is called a ______ .

Which of the following questions is best answered by information gained from Kohoutek A: Where were comets formed B: When were comets formed C: Where was the solar system formed D: How was the solar system formed