Tom's shoes looked just the same as Mike's, but they cost _______ his.
The chief manager has decided to put _______ he thinks is energetic, clever, and has good qualities in the position of the leadership of the company.
._____ we can pass the coming examination will mainly depend on _____ we learn and _____ learn it.
.I’m afraid taking a part—time job might ____ my time for study.
Was it not until you began to work ___ how much time you had wasted?
The city ________ against the terrible possibility of such things happening again.