If my car _________more reliable, I would have driven to Lhasa instead of flying last summer.
I’d appreciate ___________ if you could let me know in advance whether or not you will come.
— Why do you choose to work in an international travel agency?— Well, you know, English is my ____________. So it is my best choice.
Tom is not_______as his brother.
The police _________ the mountain to ________ the murderer.
He told me that he had mailed part of the samples样本 and that the rest _____ in a few days.