If you just spend your time___ gains and losses, maybe you'll get nothing in the end．
| A．checking | B．weighing | C．balancing | D．examining |
35．---Are my clothes too casual?
---No. You can go__________you are.
| A．as | B．what | C．that | D．Where |
34．More and more people shop online,________advantage of low prices.
| A．having taken | B．taking | C．taken | D．having been taken |
33．The Day of the Dead, an ancient Mexican festival, is not a sad day, but _________time to celebrate__________cycle of life.
| A．a, the | B．不填, the | C．不填,a | D．the, a |
32．How_________I help them to understand when they won’t listen to me?
| A．can | B．would | C．may | D．Must |
31．In summer, food will go bad if_________in room temperature.
| A．leaving | B．left | C．being left | D．having left |