We shouldfollow one of the terms in the contract signed by the employer and the employee_______ a one-week notice should be given if an employee is to be dismissed

We ________ certain living things as birds not because they have long legs or short legs, but because they all have feathers.[ ]

intended to go on a diet, but the dishes at theparty were simply impossible to _______

Nobody believed his reason for being absent from class he had to meet his father at the airport.

It’s quite late now, __________ Xiao Ming is still busy with his lessons.