Which of the following syllable is an open syllable？（)

The farmer uses wood to build a house ______ to store grains.

A．with which

B．to which

C．which

D．in which

A.that

B.of

C.which

D.to

Which is not included in the Eskimos' daily diet？

A．Fish.

B．Milk.

C．Animal meat.

D．Vegetables.

Which of these trains is the one ______ goes to Nanjing？ ()

A．which

B．of which

C．of these

D．that

A、when, where

B、when, which

C、which, which

D、which, when

A.in which

B.at which

C.from which

D.on which

Convenience foods which are already prepared for cooking are ______ in grocery stores.

A．ready

B．approachable

C．probable

D．available

The shape of This World is closest to that of which of the following？

A．A circle.

B．A triangle.

C．A square.

D．A cube.