While the boy ______ down the street, the UFO _____ .
#41890
A
was walking; was landing
B
walked; landed
C
was walking; landed
D
walked; was landing
推荐题目
Mr. Zhang ________ as an engineer since he came to the computer company in 2008.
#36700
A
works
B
worked
C
has worked
D
had worked
—Where did you ______on vacation? —I_____to Shanghai.
#40639
A
went, went.
B
go; went.
C
go;go.
D
went;go
Mr. Green his lessons when I went into his office.
#36608
A
prepares
B
prepared
C
is preparing
D
was preparing
