. ---I must apologize for ___________ ahead of time. ---That’s all right.
| A．letting you not know | B．not letting you know |
| C．letting you know not | D．letting not you know |
America was____________ was first called" India" by Columbus
| A．that | B．where | C．what | D．the place |
To everybody's surprise, the fashionable young lady ___________ to be a thief.
A. found out B. proved out C, put out D. turned out
Collecting stamps as a hobby___________ increasingly popular during the past fifty years.
| A．becomes | B．became | C．has become | D．had become |
The train was__________ to arrive at 11:30,but was an hour late.
| A．about | B．likely | C．certain | D．supposed |
Can you imagine what a girl will look like___________ she comes across a rat in her room?
| A．now that | B．though | C．in case | D．if |