________ is believed ________ more and more people would fly to the moon in the future.
Charles was alone at home, with looking after him.
I will appreciate______ if you can give me a hand.
“Susan, go and join your sister cleaning the yard.” “Why ______? John is sitting there doing nothing.”
—Who called me this morning when I was out? —A man calling ______ Robert.
My grandma still treats me like a child. She can’t imagine ______ grown up.