At first the institute refused to purchase(购买) the experiment instrument, but this decision was ______ changed.
| A．occasionally | B．consequently | C．backwards | D．afterwards |
—Who is standing over there?
—It must be ________ from an express company.
| A．everybody | B．somebody |
| C．nobody | D．anybody |
—Would you like to go shopping with me on Saturday or Sunday?
—I'm sorry. ________ will suit me. I'll be away on business during that period.
| A．Both | B．None |
| C．Either | D．Neither |
—Can I ask you a few straightforward questions about yourself?
—Sure. I like ________ when people are open and direct.
| A．that | B．this |
| C．it | D．them |
I've always wanted an iPhone and I've just saved enough money to buy ________.
| A．it | B．this |
| C．that | D．one |
As ________ rule, parttime workers such as babysitters or English tutors are paid by ________ hour.
| A．the; an | B．a; an |
| C．a; the | D．the; / |