By no means _________ look down upon the poor．

we should

should we

ought we

we shall

Fortunately _________ him, he grasped a big piece of wood, and the water ________ him to the bank of the river．

for; floated

to; flowed

for; flew

to; floated

No matter what difficulty you will meet with, _________ your plan．

carry out

carry on

pick out

carry through

I don’t mind picking up your things from the store _________．the walk will do me good．

Sooner or later

Still

In time

Besides

John _________ knowing little about the subject．

admitted

permitted

confessed

acknowledged

The food and clothes, ________ to send to those who lost their homes in the floods, are kept in the store．

intending

intended

to intend

having intended

The man we followed suddenly stopped and looked as if ________ whether he was going in the right direction．

seeing

having seen

to have seen

to see

When ________, the stadium will be open to the public next month．

completed

completing

being completed

to be completed

Chemistry is the science of substances ________ the science of energy．

and is physics

so is physics

and physics

so physics is

The photographs of the planets taken by the man-made satellites of our country are clearer than ________．

the photographs

those of the other countries

other countries

of the photographs