—Where ____ Margaret have put the empty bottles?—She ______ them away. They must be somewhere.
The captain urged that the mission ________ before dark.
The workers will go on strike if the demands they ________ put forward are turned down.
—Is Jack on duty today?—It ________ be him. It’s his turn tomorrow.
_______ with so much trouble,we failed to complete the task on time.
He asked me ________ with me.