Although he was in poor health, Robert succeeded other more famous engineers failed．
| A．which | B．that | C．what | D．where |
Schools that serve healthier food, offer nutrition education and reward students for good eating habits can make a majorin preventing childhood obesity.
| A．mistake | B．sense | C．impression | D．difference |
Let us suppose that we him about it, what would have happened?
| A．had not told | B．did not tell | C．will not tell | D．don’t tell |
—Look at this, what a perfect item! $100 is my last offer.
—OK. .
Alice Lillian Euis, born on September 11, 1907 in Boston, was of nine children.
| A．the third oldest | B．the third old | C．the third older | D．the oldest third |
— How long are you staying?
— I don’t know..
| A．That’s ok | B．Never mind | C．It depends | D．It doesn’t matter |