Nam: Please_____ Ba to lock the door carefully if he goes out tomorrow.- Lan: OK.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Education in many countries is compulsory________the age of 16.
According to critics of globalization, several developed countries have become rich because of
Michael looked deeply hurt and surprised when_____________________ .
The pool should not be made so deep______small children can be safe there.
He_______________us but he was short of money at the time.
Regular exercise and good diet will bring______fitness and health.
We must push the piano to the corner of the hall to_____________________ our party tonight.
I am sorry I have no time at present to____________________ detail of our plan.
The examination was not very difficult, but it was_____________________ long.