________ is where he gets all his money from.
A. What I can’t understand it B. That I can’t understand
C. What I can’t understand D. Which I can’t understand it
He kept looking at her, wondering whether he _____ her somewhere.
A. saw B. has seen C. sees D. had seen
--- I didn’t go to class last night because my car broke down.
--- You _______ mine. I wasn’t using it.
A. could borrow B. may borrow
C. could have borrowed D. may have borrowed
Helen _______ it if she doesn’t want to.
A. doesn’t need do B. need not to do C. needs not to do D. need not do
--- Are we about to have dinner?
--- Yes, it _______ in the dining room.
A. is serving B. serves C. is being served D. served
The ________ doctors are carrying ________ boxes.
A. woman; paper B. women; papers C. woman; paper’s D. women; paper
