After a knock at the door, the children heard his mother’s voice him．
A．calling B．called C．being called D．to call
Not until the train pulled into the next station ______ that his briefcase had gone.
A. did Tom find B. Tom did found C. Tom had found D. Tom found
John lost his job last year, but it wasn't long ______ he found a new position in another company.
A. after B. while C. as D. before
In most cases, customers can't help ______ to buy things they actually do not need.
A . to persuade B. being persuaded C. persuading D. to be persuaded
What do you think of his suggestion ______ we organize a football club?
A. which B. whether C. that D. what
_____ is it ____has made Tom _____ he is today ?
A. What, that, that B. That,what, that
C. That, that , what D. What,that, what
