The CASS said the scores were based on corporate responsibility and financial reports,. But some people raised__________ about whether the information was reliable. 

It even leaves the scientists in _______what they should call the newly born creature, which looks half-human and half-animal.

I’m sorry I’m forgetting your name for＿＿＿＿＿．

Tom’s and John’s______came to London last week.

It is reported that the ______ in Libya is hotting up.