He is a successful businessman and he ___ his success more to luck than to ability.
A. attaches B. adapts
C. owes D. fastens
__________is no possibility __________Bob can win the first prize in the match.
A. There；that B. It；that
C. There；whether D. It；whether
The police recommended parents __________their children under 12 to ride to school for safety.
A. not allow B. do not allow
C. mustn’t allow D. couldn’t allow
----I wonder why Jane looks worried today.
----I’m not sure, but she a small accident driving here.
A. could have B. might have
C. might have had D. should have had
We tried ______ to persuade him to stay home, but at last, he went to the construction site despite his bad illness.
A. in case B. in vain
C. in fact D. in addition
Never before ____ in greater need of modern public transport than it is today.
A. has this city been B. this city has been
C. was this city D. this city was
