Not until the day before yesterday _______ to give a speech at the meeting.

What he told me to do was _________ I should get fully prepared before the interview.

Professor Taylor＇s talk has indicated that science has a very strong ________ on the everyday life of the human society.

It＇ s required that the students _________ the term paper tomorrow.

The days when he was ________ his best is already a thing of the past.

The manager of the company insisted that all the staff members ________ the new safety rules.

Jack would rather spend time complaining than ________ the problem by himself.

_________ he was an old customer, the boss allowed 5% discount off the prices of the goods.

At no time and under no circumstances ________ the first to use nuclear weapons.

There is a man at the reception desk who seems very angry and I think he means ________ trouble.

Evidence came up ________ specific sounds are recognized by babies as young as 6 months old.