—May I help you with the box?
—______.
A．Yes, please B．I agree
C．Of course you may D．Thanks for your help
—Hello! Could I speak to jim?
—__________.
A．Yes, I am B．No, I’m not
C．Hold on for a moment D．Please don’t go
Leaves are found on all kinds of trees, but they differ greatly____ size and shape.
A．on B．from
C．by D．in
Why are you so anxious? It isn’t your problem____.
A．on purpose B．in all
C．on time D．after all
—When did you last hear______Jay?
—He phoned me this morning, and we agreed____ a time and place to meet.
A．of; to B．about; with
C．from; with D．from; on
．I thought we’d be late for the concert, ______ we ended up getting there ahead of time.
A．but B．or
C．so D．for
