—How is it that you know she’s got back from the UK?
—She ____ when I came out of the house this morning.
| A．seemed to be passing | B．happened to have passed |
| C．chanced to be passing | D．chose to be passing |
___ he was ill, I was expected to take his place greatly surprised me for I didn't have much working experience.
| A．If | B．That if | C．That | D．If that |
Only after a baby seal is pushed into the sea by its mother ___ to swim.
| A．how will it learn | B．it will learn how |
| C．will it learn how | D．and it will learn how |
"Will you be able to finish the job this week?" " ___ ."
| A．I can't say it | B．I don't know that |
| C．I'm not sure this | D．I don't expect so |
She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.
| A．her mother … when | B．to her mother why … that |
| C．her mother that … when | D．to her mother that … when |
The newspaper's owner and editor ___ away on holiday.
| A．is | B．are | C．be | D．have been |