Small sailboats can easily turn over in the water ________.
| A．if not managed carefully | B．if are not managed carefully |
| C．unless not managed carefully | D．unless are not managed carefully |
________ going to the program If You Are the One，she knew she had to be there or her mother would be unhappy.
| A．Although much she disliked |
| B．Much although she disliked |
| C．As she disliked much |
| D．Much as she disliked |
—Mary，turn the heat down，________ burn.
—OK.Mum.
| A．the cake will | B．or the cake will |
| C．will the cake | D．and the cake will |
Seldom ________ TV when he studied in senior high school.
| A．he watches | B．he watched |
| C．does he watch | D．did he watch |
Everything，unless otherwise ________，will go on as planned.
| A．stating D | B．states | C．to state | D．stated |
—It's a pity that Andrew didn't want to go to the conference.
—________ willing to go，we could have paid all his expenses.
| A．Had he been | B．Being |
| C．Was he | D．He had been |