— Have you been here before?— Yes. This is the third time that I _____

— Have you been here before?— Yes. This is the third time that I ______ to Shanghai.

#100742

come

came

have come

had come

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With the development of science,more new technology      to the fields of IT.

#104546

has introduced

is being introduced

is introduced

was introduced

After being．discovered by Dutch explorers in 1606，the eastern half of Australia_____by the British in 1770．

#104553

was claimed

claimed

was claiming

has been claimed

Many people thought little of me, but I did what _____.

#102666

I thought I was right

I thought it was right

I thought was right

I was thought right

 — ＿＿ Betty this morning? — Not yet, but she is sure to be here before noon.

#104402

Have you seen

Will you see

Do you see

Did you see

Now that we ____ all the money, it’s no use turning on me and saying it’s all my fault.

#104386

had lost

lost

have lost

lose

共5993题