1 . Tom is so independent that he never asks his parents’ opinion ________ he wants their support.

A．since	B．once
C．unless	D．after

2 . __________ he could give her sympathy, any practical help was almost beyond him.

A．If

B．Since

C．Although

D．Until

3 . —Why do people like pop music? I hate it so much.
—______ it is not your style, that doesn’t mean it is bad.

A．Only if

B．Even though

C．Now that

D．In case

4 . Located ________ the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.

A．why	B．when
C．which	D．where

5 . ________ birds use their feathers for flight, some of their feathers are for other purposes.

A．Once

B．If

C．Although

D．Because

6 . Make sure you save all your work on screen____the computer breaks down.

A．in case

B．as if

C．so that

D．even though

8 . Three days later the group reached a beautiful island ________ was completely cut off from the outside world.

A．which

B．when

C．where

D．as

9 . ______the damage is done, it will take many years for the farmland to recover.

A．Until

B．Unless

C．Once

D．Although

10 . Efforts should be made to balance medical resources in different areas__________more people have access to fair and affordable healthcare services.

A．ever since

B．as if

C．even though

D．so that