. In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
| A．ins and outs | B．dos and don’ts | C．heads and tails | D．p’s and q’s |
. Can you think of a _____ in which you could use this expression.
| A．situation | B．condition | C．state | D．matter |
– What do you think of the book ?
-- Oh, excellent. It’s worthy ______ a second time.
| A．to read | B．to be read | C．being read | D．to being read |
. It was some time _____ we realized the truth.
| A．when | B．until | C．since | D．before |
Having a trip abroad is certainly good for the old couple, but it remains _____ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．seen |
—What does this sentence mean ?
--- It seems to me that it ________.
| A．doesn’t make sense | B．doesn’t have sense | C．doesn’t make meaning | D．doesn’t be meaningful |