Is that your grandpa —Yes, although he is very old ______ he works very hard.

Susan’S husband encouraged her to attend the concert，_________ he would take care of the kids．

Go and have great fun!I will cope with ______you leave to me properly.—Thanks a lot. 

Tom is very helpfulHe is the very person _ you can turn in trouble.[ ]

The suspect’s fingerprint printed on the gun was themain __________ against him.