He spent two hours ______ his homework last night.
#49090
A
to do
B
doing
C
did
D
do
推荐题目
Three trees can do the job of 15air-conditioners _________ almost all day.
#48595
A
run
B
are running
C
ran
D
running
Half of the class done most of the work. The rest rather difficult.
#50810
A
has, is
B
have, are
C
have, is
D
has, are
I don’t know ______ a show. Can you tell me?
#50557
A
how organize
B
what organize
C
what to organize
D
how to organize
The old man was too poor ___________a room _________ .
#48825
A
have; to live
B
to have; live
C
to have; to live
D
to have; to live in