---You aren’t looking well. Anything the matter?---I’ve been surfing the net too long. I’m a bit tired.I can hold on,____.
. He made another wonderful discovery, _______ of great importance to science.
. The river _______ in the late summer, so we could go across it easily.
. Who is the person ____is talking about the accident ___happened on Highway 104?
. ---Goodbye, Peter, remember me to your parents. ---_______.
. _________ it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun.