6 What’s the missing letter? Write the correct word.► dck duck1 caf ____
According to behaviourists, the grasping reflex in human babies and the imprinting behaviours in baby ducks are both examples of _________ behaviours.
77. ______ water is the water in the hold to keep the ship's stability.
It is prudent to keep your children within ____________ when shopping.
I have told you the truth. ______ I keep repeating it?
Shortly after the accident, several _______ police were sent to the spot to keep order.
When can customers keep the key to their self-storage unit?As soon as they ____________.
Seldom will things _______ you if you can always keep cool, especially when dealing with personal issues.
When life gets you_____, know what you got to do?- Just keep swimming, swimming, swimming. ( ）
We’d better keep off ______ topics when talking with people from another culture.
Any vessel ______ any other shall keep out of the way of the vessel ______.
49. ______ is used to moor the ship to the seabed to keep it stationary.
5、 The boss asked his secretary to keep him well__________ of the program’s progress 。
Plese keep me informed______the chnges of yourddresss soons possible.ofB．forC．wiPlese keep me informed______the chnges of yourddresss soons possible.of B．for C．with D．by
Keeping the places clean and tidy_____.
The reason for some ants to keep their eggs in the dark is______.
Drink coffee when you"re sleepy; it"s a good ______ and will help to keep you awake.
With a wave of his hand, the magician made the duck____.
Here is 100 dollars. Keep the ______. （）
A family of three ducks ________ in the fire.
All __________ is to keep waiting in the cold wind.
One of the measures to keep a car within the speed limit is______.
It’s important that everyone on the project keeps to the _____.
Even when he is short of money he keeps $20 in the bottom of his shoe _____ there is an emergency.
