Costly、pricey、exclusive、 extravagant都可以表示贵。（ ）
Costly、pricey、exclusive、 extravagant都可以表示贵。（ ）
Costly、pricey、exclusive、 extravagant都可以表示贵。（
Costly、pricey、exclusive、 extravagant都可以表示贵。（
Retaining a customer is far less costly than gaining a new customer.
Retaining a customer is far less costly than gaining a new customer.
Despite their good service, most inns are less costly than hotels of ______ standards.
Despite their good service, most inns are less costly than hotels of ______ standards.
I wonder whether it is __________ to make such a long and costly trip just to spend a day on the beach.
I wonder whether it is __________ to make such a long and costly trip just to spend a day on the beach.
He likewise sailed in a costly ship; its anchor was __________ with pure gold, and every rope was of twisted silk.
He likewise sailed in a costly ship; its anchor was __________ with pure gold, and every rope was of twisted silk.
The price of vegetables has been very ( ) recently. A: costly B: low C: expensive D: cheap
The price of vegetables has been very ( ) recently. A: costly B: low C: expensive D: cheap
It isn’t ________ to expect people to work for so little money. A: realistic B: costly C: available D: reasonable
It isn’t ________ to expect people to work for so little money. A: realistic B: costly C: available D: reasonable
Medical miracles result from painstaking and costly research, from years of lonely trial and errors, much of which are fruitful.
Medical miracles result from painstaking and costly research, from years of lonely trial and errors, much of which are fruitful.
It was a ______<br/>mistake because no one ever trusted him again. A: acute B: migrant C: advantageous D: costly
It was a ______<br/>mistake because no one ever trusted him again. A: acute B: migrant C: advantageous D: costly