The fact is ______ he has not been seen recently.
—What do you think made Mary so upset?—_________her new bicycle.
She looks forward every spring to_______ the flower-lined garden.
_______, Mary talks a lot about her favorite singers after class.
It ____ to me that we can telephone our teacher and see whether he knows what to do with the situation.
Can you believe his reason for being absent from the class _____ he had to look after his sick mother at home? A.while B.that C when D.as