The limits of a person’s intelligence, generally speaking ,are fixed at birth, but he reaches these limits will depend on his environment.
| A．where | B．whether | C．that | D．why |
It is believed that this book is _______ worth reading than that one.
| A．more | B．better | C．quite | D．most |
When the peace talks _______, they realized that there would be a war between the two countries.
| A．broke out | B．broke up | C．broke away | D．broke down |
---When will your new book come out?
---It _____ be out in a month at most.
| A．should | B．must | C．can | D．might |
I’m afraid that the thread will break _____ it’s the weakest.
| A．at which | B．which | C．that | D．where |
---We are late because we took _______ wrong road.
---You should be careful ______ next time.
| A．the…the | B．a…the | C．the…/ | D．/…/ |