【多选题】What materials do we need to apply for a visa?签证需要哪些材料
F.
certificate of deposit
【单选题】下列哪一种疾病咳嗽、咳痰和体位改变有关( )
【单选题】______are the basic elementary sentences of the language, the stuff from which all else is made.
【多选题】Of the four types of sentences, which is optional?
【单选题】Which 'which' in the following sentences CANNOT be replaced by 'as'?
A.
Jane decided to quit her job, which we all knew.
B.
Our boss invited us to dinner, which was very kind of him.
C.
He changed his mind so frequently, which made me quite angry.
D.
He is a teacher which is clear from his manner.
【单选题】Which sentences state the writer's opinion?