It was in time of danger he made the final decision they should send more doctors there.
| A．that ;that | B．when; which | C．where ;what | D．where;that |
Knowledgeable as he is, the expert was unwilling to offer advice to ______ he thought was not qualified.
| A．whoever | B．who | C．whom | D．which |
Don’t ______ life’s small joys while searching for the big ones.
| A．contradict | B．overlook | C．obtain | D．confirm |
Delta, the American airline, is sometimes jokingly explained “Don’t expect your luggage to arrive” because it ______ be very slow.
| A．should | B．must | C．can | D．will |
Life is more than merely trying to achieve thestandards of society but trying to be a good person ______ one’s own standards.
| A．at | B．in | C．on | D．by |
______ herself in looking after the newly-born twins, she had to sacrifice her career to stay with her kids.
| A．Occupied | B．Being occupied |
| C．Having been occupied | D．Occupying |