Admittedly，I could have tried__________but I still don’t think all this blame is fair． 

I don’t think the rain will__________ our plans for a picnic．

I don't think the audience would care _________the film is financed or distributed.

（ ）I don’t know __________.

I don’t remember ______ the book yesterday.

I don’t think it’s important, _____?

I don’t think it’s important, _____ ?

Keep on. Don’t stop. The ______ you climb, the ______you will see.

---What time will you arrive?
---I don’t know. It _____ the traffic. ( )

I don’t think he is right, ______ ?

I think _____ knowledge of the Internet is _____ must in our work today.

— I think the language lab is very helpful in improving our English.
— ___________