-- I can't find David. Where is he?-- He ________ for tomorrow's competition at home.
#38994
A
prepares
B
is preparing
C
has prepared
D
prepared
推荐题目
I’m sorry, I____________ the book in my home. 
#42019
A
forget
B
forgot
C
left
D
leave
Hurry up! The film            for ten minutes.
#41853
A
was on
B
started
C
has been on
D
has started
The boy ________have ________ brothers ________ sisters.
#37203
A
don’t, any, and
B
doesn’t, any, or
C
don’t, some, or
D
doesn’t, any, and
Don’t talk to me. My favorite pop star ________ on TV now.
#42062
A
is singing
B
will sing
C
sings
D
sang