_________ sleep every night is important for teenagers．_________, loss of sleep can make you feel tired, and even cause you to put on weight．

A good amount of; As a matter of fact

A good number of; In truth

A large amount of; As matter of fact

Plenty of; In a fact

He is sure to come．I’ve _________ him to attend our meeting．

advised

tried to persuade

persuaded

suggested

You can’t have lost the keys．_________ all your pockets again．

Go down

Go against

Go through

Go across

You can _________ and start a new life; a small step at a time and happiness will follow．

get back on your feet

stand up

rise to your feet again

take to your feet

_________ the red switch on the left and the flying machine will swiftly go up into the air and _________ its journey．

Pressing; begins

Press; begin

Pressed; begins

To press; to begin

Mr．Smith _________ an important part when he gave the lecture last Friday．

left out

picked out

let out

took out

It will be some years before some foreign doctors change the impression they have _________ Chinese medicine, _________, in their opinion, is nothing but raw herbs and not effective at all in treating diseases．

for; which

on; what

to; that

on; which

It was very difficult to rescue the drowning boy in the sea．One moment the rescue workers _________ him but the next moment they _________．

caught sight of; lost

caught the sight of; lost his sight

caught sight of; lost sight of him

caught the sight of; lost their sight of him

_________ confidence and the necessary equipment, they failed to rescue the 42 miners trapped in the coal mine．

Lack of

Lacking of

Lacking

Having lacked

Let’s __________ the children __________ 3 groups．Each group will have a separate room to sleep __________．

divide; into; to

separate; into; in

divide; into; in

separate; from; in