I don’t think it necessary（discuss) _________the the problem is settled.

It’s already 5 o’clock now. Don’t you think it’

I don’t think it advisable that Tom ________选择

SaHy：What do you think about travelling abroad？Liu： __________ ，I don’t like it． Sally：Why

—This apple pie is too sweet, don’t you think so？ —_____. I think it’s just right, actually. A．Not

—This apple pie is too sweet don’t you think so? —_____. I think it’s just right actually. A.Not

Thank you for all your hard work last week. I don’t think we ______ it without you.[ ]A. could have