— Guess what? Tom has failed in the exam _______ second time.
— How come? He is ______ second to none in English in our class.
| A．a; a | B．the; a | C．a; / | D．the; the |
.He got run over by _____ taxi and now he is still in ____ danger in hospital.
| A．/, a | B．a , the | C．a, / | D．/,/ |
I can’t _____ his failure.It is unbelievable.
| A．seek for | B．bring up | C．get away with | D．account for |
--- Who left the door open?
--- Oh, sorry. I _____ the door.
| A．ought to lock | B．should lock | C．ought to have locked | D．could lock |
.The traffic problems we are looking forward to ______ solved should have attracted the government’s attention.
| A．see | B．seen | C．be seen | D．seeing |
.He seemed to be looking for the words ____ he could express his idea.
| A．for which | B．with which | C．in whom | D．in that |