--- I had a hard time _____ this novel. --- I share your feeling. Who can remember the names of over 100 different characters?
We are invited to a party _________in our club next Friday.
--- Why were you late for the class, Jenny? --- Oh, my clock must be running slow, and it needs ____.
He played the computer game till late last night, ________,early this morning.
Mrs. Black had her left hand ______while cooking.
We were swimming in the lake _____ suddenly the storm started.