Jack his pet dog every day. The dog must feel sad when he’s alone all day long.
#75030
A
should walking
B
should to walk
C
had better walk
D
had better to walk
推荐题目
I am fond of my sister but she has one serious shortcoming. She _________ be really stubborn.
#63474
A
can
B
may
C
must
D
shall
Martin hasn't got in touch with me for ages. He ________ my new cell phone number.
#62322
A
can't get
B
mustn't get
C
can't have got
D
shouldn't have got