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Julia said, “I may leave tomorrow.”

• A. Julia said that she might leave the next day.

• B. Julia said that she might leave tomorrow.

• C. Julia asked if she should leave the next day.

• D. Julia informed me to leave tomorrow.

Trong hợp chất SO3 , số oxi hóa của sulfur (lưu huỳnh) là

• +6

• +3

• +8

• +5

Số oxi hóa của S trong SO3 2- , HSO3 - , SO4 2- và HSO4 - lần lượt là

• +4, +4, +6, +4.

• +2, +2, +6, +6

• +4, +4, +6, +6.

• +3, +3, +5, +5

He said, “Katherine is busy right now.” A. He said Katherine was busy.

• He said Katherine was busy.

• He informed that Katherine was busy then.

• He said Katherine had been busy.

• He informed me that Katherine is busy.

My teacher told me, “You are suspended!.”

• My teacher exclaimed that I am suspended.

• My teacher exclaimed to me to suspend.

• My teacher informed me that I was suspended.

• My teacher exclaimed that I was suspended.

He said, “I have been a great tutor.”

• He said that he had been a great tutor.

• He said that he was a great tutor.

• He exclaimed that he was a great tutor.

• He said that he has been a great tutor.

Mr. Smith said, “We went for a trip to Japan.”

• Mr. Smith said that they went for a trip to Japan.

• Mr. Smith said that they were on a trip to Japan.

• Mr. Smith said that they had gone for a trip to Japan

• Mr. Smith said they went for a trip to Japan.

Anthony said, “I will take care of this matter.”

• Anthony said that he would take care of that matter.

• Anthony said that he will take care of that matter.

• Anthony said that he would take care of that matter.

• Anthony said that he will take care of that matter.

I am going out tonight.” My sister said.

• My sister said that she was going out tonight.

• My sister said that she was going out that night.

• My sister said she was going out that night.

• My sister said that she will be going out that night.

The guard asked the man, “Who are you?”

• The guard asked the man who he was.

• The guard asked me who was I.

• The guard asks me who he was.

• The guard asked the man who I was.