We’ll do what we can _________ our environment.
| A．protect | B．to protect | C．be protected | D．be protecting |
Two _____ the students _____ to the opening ceremony.
| A．hundred of; were invited | B．hundred; were invited |
| C．hundreds of; invited | D．hundred of; invited |
---What did the policeman ask the neighbors about?
--- He asked ____ between 3:00 and 4:00 yesterday afternoon.
| A．they did what | B．what were they doing |
| C．what they were doing | D．what did they do |
--- I can’t stop playing computer games.
---For your health and study, I am afraid you _______.
| A．can | B．may | C．need | D．have to |
---Would you mind ____ the window? --- ________.
| A．close, Not at all | B．closing, Not at all |
| C．to close, Of course | D．to closing, Not at all |
— Is this iPhone 6 Plus _______?
— No, it belongs to _____. He wrote his name on its cover _______.
| A．your, me, himself | B．yours, me, myself |
| C．his, my, mine | D．yours, him, himself |