Tony, be quiet, please! Your dad ______ on the phone.
#41658
A
talked
B
was talking
C
is talking
D
talks
推荐题目
Many doctors and scientists are working hard on curing AIDS. We hope AIDS _____ one day.
#41672
A
will cure
B
will be cured
C
will treat
D
will be treated
—Where is your mother, Rita? --___________________. 
#37826
A
She has been to Wu hu.
B
She’s going to the old people’s home
C
She’s gone to work
D
She’ll go shopping
— When       you       to learn to skate? — Five years ago.
#39905
A
do; start
B
will; start
C
had; started
D
did; start
I know a little about Thailand, as I ________ there three years ago.
#40684
A
have been
B
have gone
C
will go
D
went