- Can you go to row a boat with us this afternoon? - I'm afraid not. I_______ look after my little sister because my mother is out.
#54238
A
can
B
may
C
would
D
have to
推荐题目
If you _________ your name on the paper, you can get a magazine.
#58425
A
cut down
B
look down
C
turn down
D
write down
In the fields everything _____ to grow. 
#57110
A
begin
B
begins
C
are beginning
D
is beginning
The doctor looked ______ the old man ______.
#61427
A
at…care
B
over…careful 
C
up…carefully
D
over…carefully