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 |
—I hear Kris had an accident as he was riding his bike to school yesterday.
—________？ He is always so careful when he is riding.
| A．What for | B．How come |
| C．Why that | D．So what |
．—What's the capital of Bhutan?
—________ Let's go online and find it out.
| A．You bet! | B．Give me a break! |
| C．Guess what! | D．You've got me there! |
—Believe it or not, I have met him before.
—No kidding? ________ you've never mentioned it?
| A．What for | B．How come |
| C．How about | D．What if |
—Why are you moving out?
—________， but I just don't like the atmosphere here.
| A．No offence | B．No worries |
| C．No problem | D．No doubt |
—Do you need the electric dryer?
—________.
| A．No way | B．My pleasure |
| C．No problem | D．After you |