17— Which one do you prefer, the window seat or the aisle seat? —____________ ( )

The manager or his assistant ______ planning to go

True happiness does not usually come from passive entertainment such as _______ TV or sitting on a beach

If the product does absorb moisture or ________ water, discard it

58The secret to happiness lies ________ building a strong inner self, a self that no trial or hardship can diminish

Travellers, when ____________ the checks, have to sign the checks in the presence of the bank or service clerks

__________主管全国报检员管理工作，__________负责组织报检员资格考试、注册及日常管理、定期审核等工作。()

29．__________ when you are on the bus or bike．

Either he or I ______to the airport.

Hurry up, or you ______ catch the train.

The photo ______ happy memories of my early childhood.

HSK考试分为基础汉语水平考试、____汉语水平考试、高级汉语水平考试三种，共分为____级。