Question

-- They look so tired.
--Yeah. They _____________ day and night. So they are all in poor health.

A．are made work	B．are made to work
C．made to be worked	D．are making to work

Answer 1

B

考查动词make的用法。make sb do sth，使某人做某事，do前面不能加to，而在被动语态中，必须加上to，故选B。