When ____ about the possibility that Justin was taken away by aliens, Detective San Peterson, who has taken charge of the case, didn’t say much.
A. asking B. asked C. to ask D. ask
There is no hard evidence ____ aliens took Justin that night.
A. that B. what C. which D. how
My mother suggested that she _____ me to the hospital, where I received good medical treatment.
A. sent B. sended C. send D. to send
Mr Ma is the person _____ we learned how to write with brushes.
A. whom B. from who
C. from whom D. from which
The _______ boy made the police and his family _______.
A. gone; puzzled B. missing; puzzled
C. missing; puzzling D. lost; puzzling
He did not go to school yesterday ___________the heavy rain.
A. because B. because of
C. for that D. why