They will send kids to college it takes, even if that means a huge amount of debt.
| A．whoever | B．however | C．whatever | D．whichever |
harmful
| A．award | B．vinegar | C．grammar | D．carbon |
hostess
| A．embassy | B．express | C．envelope | D．barbecue |
—I hear Jane has gone to the Holy Island for her holiday.
—Oh, how nice! Do you know when she ?
| A．was leaving | B．had left |
| C．has left | D．left |
How can you expect him to make any improvement ________you never give him an opportunity to have a try?
| A．unless | B．when | C．until | D．while |
The 2016 Summer Olympic Games will be held in Rio de Janeiro, Brazil, which becomes the first city in South America _________ Olympics.
| A．hosting | B．having hosted |
| C．being hosted | D．to host |