—Would you mind if I borrowed your car just over the weekend?—I'm sorry, but it's just not possible, because I ________ my mother this weekend.
#99756
A
am visiting 
B
have visited
C
was visiting 
D
visited
推荐题目
 This is the first time that I ______ the song Gangnam Style.
#101708
A
hear
B
are hearing
C
heard
D
have heard
Three-fifths of the buildings____in the earthquake .
#103630
A
was destroyed
B
have destroyed
C
were destroyed
D
has destroyed
—Bob has gone to California.—Oh, can you tell me when he        ?
#101937
A
has left
B
left
C
is leaving
D
would leave
 The police _____ the lost boy everywhere when he suddenly turned up in a supermarket.
#102062
A
searched
B
searched for
C
was searching
D
were searching for