When I got on the bus, I ___

单选题 When I got on the bus, I ______I had left my wallet at home.

A． was realizing
B． realized
C． have realized
D． would realize

【答案】B。解析：从句中用一般过去时，故此处动作是在过去发生的，所以用一般过去时。故选B项。

1 The old town has narrow streets and small houses ______are built close to each other.

A． they
B． where
C． what
D． that

2 We've offered her the job, but I don't know______she'll accept it.

A． where
B． what
C． whether
D． which

3 It is impossible to______the news unless you read the newspaper everyday.

A． look up in
B． keep up with
C． put up with
D． catch up