—What do you think of the book?
—Oh , excellent. It’s worth ______a second time.
| A．to read | B．to be read | C．reading | D．being read |
The thief had himself _____ by the police when he was trying to break into the hotel.
| A．to spot | B．to be spotted | C．spotted | D．being spotted |
The reason was _____ I was busy with my work at that time.
| A．why | B．because of | C．that | D．what |
The problem is _____ will go.
| A．that | B．when | C．who | D．whoever |
He misunderstood _____ I said.
| A．that | B．when | C．where | D．what |
Is this _____ ?
| A．you are looking for | B．that you are looking for |
| C．what are you looking for | D．what you are looking for |