1 . Young people should always___________ (对待) the elders with respect.

2 . It was in September, 2013 _____ I studied in the UK _____ I met and fell in love with my wife.

A．when; that

B．in which; where

C．when; where

D．that: where

3 . He’s got himself in a dangerous situation ______ he is likely to lose control over the plane.

A．when

B．that

C．which

D．where

5 . 她讲解语法如此清楚以至于我都明白。
She explains English grammar___________clearly ___________even I can understand it.

6 . In the dark street, there wasn’t a single person ________ she could turn for help.

A．that

B．to whom

C．who

D．from whom

7 . Finding her car stolen, ________.

A．a policeman was asked to help	B．the area was searched thoroughly
C．people around all came to help her	D．she hurried to a policeman for help

8 . Sales director is a position ________ communication ability is as important as sales skills.

A．which

B．that

C．when

D．where

9 . The number of people invited________ fifty, but a number of them________ absent for different reasons.

A．were; was

B．was; was

C．was; were

D．were; were

10 . _______ I experienced that day has become one of the most unforgettable memories.