. I remember her face but I cannot _____ where I met her.
Don’t be too general. Please give a ________suggestion on how to deal with this difficulty.
You are allowed to go out______ you promise to be back before 11 o'clock tonight.
Thank you for all your hard work last week. I don’t think we ______ it without you.
A lot of people as well as the president of the animal protection association ____________ experiments on animals.
The accident ________ the death of 6 passengers was ________ the driver’s carelessness.