While ______ in Scotland, he made friends with the natives there.
#81968
A
working
B
worked
C
he works
D
he is working
推荐题目
 The dying old man opened his mouth as if_______something. 
#84608
A
to say
B
saying
C
to have said
D
was saying
—Mary,turn the heat down,________ burn.—OK.Mum.
#80059
A
the cake will
B
or the cake will
C
will the cake
D
and the cake will
Only after he realized the significance of mastering two languages __________ English carefully.
#82816
A
did he set about learning
B
did he set out learning
C
had he set about learning
D
had he set out learning