________ from space, the earth is blue．

A．Seeing

B．To see

C．Seen

D．Having seen

They love their son so much that they do ________ they can ________ him．

A．that, save

B．what, to save

C．which, save

D．whatever, saving

He bought a nice car, ________ was very 50 thousand yuan．

A．which price

B．the price of which

C．its price

D．the price of whose

The photos brought the day back to me ________ I ________ my husband．

A．until, married with

B．that, was married

C．when, got married to

D．where, married to

Japan lies ________ the east of China ________ the east of Asia．It faces the Pacific ________ the east．

A．in, on, to

B．to, in, on

C．on, to, on

D．to, on, to

Fortunately, ________ happened that no one was in the building when the fire broke out．

A．it

B．this

C．that

D．there

The two friends have been known for 10 years and never once ________ with each other．

A．they had quarreled

B．they have quarreled

C．have they quarreled

D．had they quarreled

The manager ordered that no smoking ________ in the office．

A．is allowed

B．will be allowed

C．be allowed

D．allowed

Meycy blesses those who give it, and those who receive it, ________．

A．that is twice blessed

B．what is more blesses

C．which is twice blessed

D．which is doubly blessing

When we describe or talk about new inventions, we use words and ideas ________ to us．

A．known

B．being known

C．to be known

D．having been known