The ground is wet. It must have rained last night, _____ it?[ ]

What can I do for you —_______you see Mr Black, give him myregards

There are dark clouds, and the wind is blowing strongly.— It ______ that a typhoon is coming.

_________many children like KFC, I thinkthey’d better try not to eat it too often.

eceived an invitation to dinner, and with his work ________，he gladly accepted it