________ many countries in Latin America have been trying to reduce gaps in income, America has allowed inequality to grow.
| A．While | B．Since | C．If | D．Where |
16. — Where is your new home now?
—In the new developed zone. But I_____downtown for five years.
| A．have lived | B．had lived | C．lived | D．was living |
15. Poverty is still killing people._____, these small victories are a good start towards a better future.
| A．Furthermore | B．Therefore | C．However | D．Otherwise |
14. —I’m very busy now. Could I call you back after work?
— OK. I’ll wait for you.
| A．Probably | B．Occasionally | C．Frequently | D．Actually |
13. —Hi, Johnson, any idea where Susan is ?
—It’s class time, so she________in the classroom now.
| A．can be | B．must have been | C．might have been | D．must be |
12. Mary _______control of herself while she __________about the traffic accident.
| A．was losing; was asking | B．lost; was being asked |
| C．has lost; was asked | D．had lost; asked |