A positive attitude，________with willingness to seek appropriate help and exercising solid study habits，will do much to determine how well you do in your studies.

We should keep the hair ________. It’s one of the school ________.

I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.

How long do you think it is ______hetook up the job— Half a year at least

―Jenny, how was your trip to Beijing?―Oh, I missed it. I wish I _________ my vacation there.