2
I was asked to do a speech welcoming the new students.
I was asked to give a speech welcoming the new students. give/make a speech (NOT do ): ‘After the meal the bride’s father stood up and made a short speech.’ speed 1
I jumped in and swam towards the chi ld at my fastest speed.
I jumped in and swam towards the child as fast as I could. The world’s population has increased at a very rapid speed.
The world’s population has increased very rapidly. Phases with speed are usually used in connection with vehicles and machines: ‘At the time of the crash, the train was travelling at full speed.’ ‘These cars are capable of very high speeds.’ 2
These new trains can travel in very high speeds.
These new trains can travel at very high speeds. The car in front of ours continued with the same speed.
The car in front of ours continued at the same speed. at a particular speed ( NOT with/in ) ‘If we continue at this speed, we’ll be there in an hour.’ ‘According to the police report, the car had been travelling at a speed of 110 miles per hour.’ 3
He always drives at a very fast speed.
He always drives at top speed. at great/high/top/full/breakneck speed: ‘He jumped into the car and drove off at great speed.’ spend 1
They don’t have any money to spend for luxuries.
They don’t have any money to spend on luxuries. He spends everything he earns for his children.
He spends everything he earns on his children. spend your time/money/$12/£5 etc + on sb/sth (NOT
