1 . Only very rarely ________ attack larger mammals.

A．will it be

B．it will

C．will it

D．it will be

2 . Any academic breakthrough, ________, does not automatically ensure that it can be applied to practice.

A．since it may be brilliant	B．brilliant though it may be
C．how brilliant it may be	D．if it may be brilliant

3 . She suggested not only ________to the English party but also sing a song in English.

A．did I go

B．should I go

C．I should go

D．my going

4 . Tom disagrees to this plan，________does his sister.

A．so

B．and

C．nor

D．as

5 . Look! From opposite the street ________，screaming in panic.

A．comes two kids	B．two kids are coming
C．come two kids	D．do two kids come

6 . Not only ________, but they also should avoid making phone calls or looking at WeChat while driving.

A．should the food delivery drivers wear helmets

B．the food delivery drivers should wear helmets

C．wear the food delivery drivers helmets

D．do the food delivery drivers wear helmets

7 . Old ________ Professor Sinistra is, she often works diligently with us from morning till night.

A．although

B．even though

C．as if

D．as

8 . Child________ she is, she knows a lot about the universe.

A．as

B．during

C．so

D．although

9 . I am glad to find that on top of the mountain __________ from the time of the Roman Empire.

A．lies ancient ruins

B．lie ancient ruins

C．does ancient ruins lie

D．do ancient ruins lie

10 . On the ocean floor________. However, to bring them to the surface requires expensive equipment and trained people.

A．do some sunken ship lie	B．some sunken ships do lie
C．lie some sunken ships	D．some sunken ships lie