---Is_______ necessary to learn another language? --- I think so.

---Is_______ necessary to learn another language?      --- I think so.

#55852

this

that

推荐题目

Is this your father? No, ________.

#55854

it is

it isn’t

he is

he isn’t

I find _________difficult to work with the man.

#55766

that

him

People who eat a balanced diet should be healthier than _____ only eat biscuits.

#55823

all which

those who

that who

those what

—Are _______ your friends?—Yes, ____ are.

#55923

these, these

these, they

this, they

those, these

I forgot to bring my pen, would you please lend ________ to me?

#55744

one

that

this

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