_____ clear from his manners, he seemsto be much of a scholar.

I’m certain David’s told you his business troubles ______, it’s no secret that he owes a lot of money to the bank

What about to Ho Family Garden(何园) for a trip—Good idea ,let’s have great fun!

Sea water ______ many minerals, salt ______.

___in the regulations that one should not tell other people the password of your email account.