It was after he had read the requirements _______ Mr. Black realized the task was too difficult to be finished.
| A．when | B．that | C．which | D．what |
—Bob, you’re absent-minded!
—Oh, I’m sorry I ______ attention to you, Miss Shute.
| A．haven’t paid | B．wasn’t paying | C．am not paying | D．won’t pay |
With everything important _______, my father is now lying on the beach, enjoying the bright sunshine and fresh air.
| A．to complete | B．completing | C．completed | D．being completed |
The man as well as his parents ____________ content with the dishes his wife cooks.
| A．have | B．are | C．has | D．is |
Charlie Chaplin found __________ difficult to entertain the audience at first.
| A．it | B．that | C．one | D．this |
—We have booked a room for today and tomorrow.
—___________, sir.
| A．I’m sure | B．Thank you | C．My pleasure | D．I’ll check |