should, ought to and had better เตรียบรับอาเซียน

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I don't enjoy teaching any more and I'm going to give it up. It's a decision I......a long time ago.

---should make

--should have made?

---ought to make

you.....on a boat along the river when you're in Tōhoku. It's a good way to see the city.

...ought to go

----ought to have gone.

..should have gone.

Kanto: Why don't you come over and see us this evening?

Chubu: Thanks, I'd love to. When....to arrive.

--should I aim

---ought I to aim

---ought I aim

---

I think there.....far fewer advertisements on television.

--should be

--had better be

--shall be

--The computer seems to be getting very hot. Perhaps you....switch if off.

--had better to

ought to

--must