You don’t have to write the essay if you don’t want to. It is __________.

A. compulsory
B. suitable
C. optional
D. alternative

This factory is planning to build a new_________ line this year.

A. resemble
B. assembly
C. productive
D. assess

Meat _________much more easily than vegetables.

A. loses
B. numerous
C. weaves
D. decays

In this kind of hotel, there are no _________ rooms.

A. luxury
B. marvelous
C. occasional
D. sulphur

No person in the class can _________ him of his mistake.

A. believe
B. admit
C. thirst
D. convince

感谢信的书写格式：（参考写作—感谢信PPT）称呼写在___________，标点符号用__________,敬语写在__________,署名在敬语的___________(什么位置)

The whole class_________the teacher attentively.

A. are listening to
B. is listening to
C. are listening
D. is listening

Neither you nor Lily__________ to the Great Wall before.

A. had been
B. has gone
C. has been
D. have been

The family I am staying with___________very friendly.

A. is
B. are
C. was
D. were

I told him what I was surprised_________his attitude towards his study.

A. was
B. were
C. at was
D. at were