1. —I probably shouldn’t have any more cake.
—Oh, ________. It won’t kill you.
A. go ahead B. hold on, please C. you’re welcome D. that’ll do.
2. Experts think that ________ recently discovered painting may be ________ Picasso.
A. the; / B. a; the C. a; / D. the; a
3. Having a trip abroad is certainly good for the old couple, but it remains ________ whether they will enjoy it.
A. to see B. to be seen C. seeing D. seen
