, but he couldn’t understand the logical connection ofthe two subjects

Mr Liu didn’t go to work yesterday, did he—-_______, even though he was ill.

The English exam wasn’t difficult at all ,was it —No ,but I don’t believe _____could pass it .

Keep up good state of mind even if you _____ fail plenty of times.

I am looking for information on social safety.—-You can take this book. Social safety is _______ introduced in it