—Is it a pencil?— .A.Yes,it’s B.No,it isn’t C.No,it is
If you do things ________, usually you can’t do them well.
The woman asked the policeman where ________.
–Do you mind if I turn on the TV? --________. My father is sleeping.
Betty will ring me up when she ________ in Beijing.
We don’t know ________ it next. Let’s go and ask Mr. Li.