A．passedB．tookC．calledD．walkedThe teacher was worried a……

单项选择题For security reasons, always log ______when you leave your computer unattended for any period of time.

单项选择题_________she disliked the idea of marriage, she knew that political reasons might make it necessary.

单项选择题What is learned in books cannot have the same deep effect on a child蒺s character ________is learned through experience.

单项选择题So, ___________, there remains a fundamental question: at what precise time does lifebegin

单项选择题When I first arrived here to take up my new job, I stayed in a hotel, but I soon started looking for a permanent____ , a place to______ my own.

单项选择题I蒺m sorry you蒺ve decided not to go with us on the river trip, but _____________you change your mind, there will still be enough room on the boat for you.

单项选择题I spent all the winter break with my friends. Not a single day______ a few hours to myself.

单项选择题That week蒺s talent included a spectacular dance team from Argentina, a popular rock group, a top vocalist and a magician______ .

单项选择题__________with the truth in small matters cannot be trusted with important matters.

单项选择题The bill, which was approved in its first reading, bans tobacco advertising in the media,_________ sponsorship of public events by tobacco producers.