________, it began to rain unexpectedly.
#68281
A
While cleaning the machine
B
To clean the machine
C
He was cleaning the machine
D
While he was cleaning the machine
推荐题目
Was it through Mary , ____ was working at a high school , _____ you get to know Tom ?
#71897
A
who, who
B
that, which
C
who, that
D
who, which
He came to a point ______ there was no more road to follow, and before him he could see nothing but a thick forest.
#69480
A
that
B
what
C
which
D
where
It’s not until no enemies were left that they________ .
#72174
A
did not stop fighting
B
did stop fighting
C
stopped fighting
D
have stopped fighting
—____________ difficulty you meet, remember that it might just be a touchstone. —You are right. __________ difficult it is, we will never give in.
#67580
A
However; whatever
B
However; however
C
Whatever; whatever
D
Whatever; however
When you read the book, you’d better make a mark _____ you have any questions.
#67720
A
at which
B
at where
C
the place
D
where