10.That year his total income, with his reward ______, _______ 1500 dollars.
| A．added up to; added | B．added; added to |
| C．added to; added up to | D．adds; adds up to |
People have always been_______ about exactly how life on earth began.
| A．curious | B．excited | C．anxious | D．careful |
Mar Levine, ____ scientist at University of Pennsylvania, US, has found that competitive eaters have stomachs that can expand like ____ balloon.
| A．a; a | B．a; the | C．a; / | D．the; a |
The detective, ________ to read a newspaper, glanced at the man ________ next to a woman.
| A．pretending; seat | B．pretending; seated |
| C．pretended; seat | D．pretended; seated |
At first they worried about the situation but things ____ quite well.
| A．went on | B．carried on | C．worked out | D．tried on |
Only when our country has aircraft carriers (航空母舰), _____________ our distant islands more effectively.
| A．we can guard | B．can we guard | C．we guard | D．do we guard |