--- Does Li Hua serve in the army?---No, but he________ in the army for three years. 
#100952
A
served
B
has served
C
is serving
D
would serve
推荐题目
I’ve won a holiday for two to Florida.I _____ my mum. 
#104653
A
take
B
am taking
C
have taken
D
will have taken
Drivers must stop when the traffic lights _____ red.
#99314
A
turn
B
will turn
C
turned
D
were turning
Being popular with children, these toys ______ well and _____ in two days. 
#99118
A
sell; sell out
B
are sold; are sold out
C
are sold; will be sold out
D
sell; will be sold out
Mike ______with Janet for over one year before they got married.
#103142
A
had fallen in love
B
had been in love
C
has fallen in love
D
has been in love