“If,”he added, “_____ enough time, I would certainly have done it better.”（ ）
A．to give B．given
C．I was given D．to be given
The old man _______ his load on the ground and _______ down to have a rest.（ ）
A．lay; lay B．laid; lay
C．laid; laid D．lied; lied
The doctor did everything he could ____ the patient.（ ）
A．save B．to save
C．saving D．saved
________her grandma before, he didn’t know she was his grandma even if his mother had told him.（ ）
A．Not being seen B．Not having seen
C．Having not seen D．Not seeing
--- Have you ________?
--- No．I dialed the wrong number.（ ）
A．got in B．got away
C．got off D．got through
Tom pretended ________when the teacher came.（ ）
A．to read B．to be reading
C．to have read D．reading
