When I returned from buying some small newspapers, I found my seat already in somebody’s _________．

section

occupation

position

situation

Many things _________ impossible in the past are common today．

considered

to consider

considering

being considered

_________ as the “first lady of speech”, Dr．Lillian Glass is recognized as one of the world’s leading experts on communication skills．

Knowing

Having known

Known

To be known

The conference _________ a full week by the time it ends．

must have lasted

will have lasted

would last

has lasted

There must be no life on the Mars, for _________ of air there．

lack

lacking

short

empty

What do you think is the most _________ time to find him at home?

like

likely

possibly

probably

Farmers can increase their corn crops three times simply _________ watering their fields．

through

with

by

in

They will be as tall as you soon，if they _________．

keep on growing like that

keep to grow like it

keep growing like that

will keep growing like that

The train fell over the edge, but no one _________ much in the accident．

suffered

injured

damaged

died

Catching _________ sight of their headteacher coming, the students fell silence in _________ flash．

the; the

/; a

the;/

/; /