The novel was so interesting that he read it _____ in a single day.
| A．from word to word | B．from sentence to sentence |
| C．from chapter to chapter | D．from cover to cover |
_____ it will do us harm or good remains to be seen.
| A．If | B．Whether | C．That | D．What |
Since everybody is clear, there is no _____ in discussing the question any further.
| A．point | B．possibility | C．wonder | D．doubt |
The general manager’s _____ directions confused the staff, who didn’t know what to do.
| A．ambiguous | B．complex | C．unconscious | D．punctual |
He made a promise____he would achieve the success that his parents were looking forward to.
| A．what | B．when | C．that | D．which |
C
Being hard-working is of the highest __________ to becoming successful.
| A．important | B．to be important |
| C．importance | D．being importance |