So difficult __________ it to adapt to the academic requirements of a Western university that I determined to take a preparation course.

So difficult __________ it to adapt to the academic requirements of a Western university that I determined to take a preparation course.

#83316

I have felt

have I felt

did I feel

I did feel

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Only when he reached the tea-house ______ it was the same place he’d been in last year.

#81798

he realized

he did realize

realized he

did he realize

_______ about the man wearing sunglasses during night that he was determined to follow him．

#82974

So curious the detective was

So curious was the detective

How curious was the detective

How curious the detective was

.— I like football.— ______ my sister and me.

#84279

So do

So are

So did

So it is with

When doing my homework,________.

#80810

I heard the doorbell ring

the doorbell rang

my mother came in

my mother was cooking

________ there, the southwest desert contains a remarkable variety of plants.

#82952

Rarely as it rains

Sometimes it rains

It rarely rains

Although rarely rains

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