I must thank ____for ____help.

Have you finished your homework yet?– No, not yet. I think it’ll take me __________ half an hour.

Those shops _____ I do some shopping are very far.[ ]

We’ll go to Qing Yuan Mountain tomorrow. Why _____ join us? —That’s a good idea. [ ]

Please remember, kids. ______ careful you are, _______mistakes you will make. —We know, Mr. Li.