You should be working instead of _________ there in bed.  
#57123
A
lying
B
lie
C
lies
D
to lie
推荐题目
These words that we should pay attention to         on the blackboard.
#53568
A
being written
B
are writing
C
are written
D
writing
I should go to see a dentist because I ________.
#54782
A
have a cold
B
have a toothache
C
have a sore back
D
have a fever
I          my homework at home this morning.
#61691
A
forgot
B
have forgotten
C
leave
D
left