Failure is the mother of success. ______ your courage and you’ll succeed.
| A．Keep off | B．Keep out | C．Keep up | D．Keep on |
Nowadays,mobile phone ispopular means of communication.
| A．the; a | B．a; 不填 | C．the; the | D．a; the |
, most teenagers now listen to rock music . However , Jonah prefers classical music .
| A．In a word | B．In general | C．In particular | D．In total |
It rained nonstop for ten days , completely our holiday.
| A．to ruin | B．ruined | C．having ruined | D．ruining |
How come you stepped into the lab with your shoes on ? You’re to take them off before you enter it . I told you so !
| A．expected | B．supposed | C．forbidden | D．permitted |
—Is David a man with good manners ?
—I don’t think so . As a matter of fact , he is but polite .
| A．something | B．everything | C．nothing | D．anything |