—This camera is very similar ________ that one.
—Yes. I have some trouble ________ their differences.
| A．as; telling | B．to; telling | C．to; to tell | D．with; to tell |
---What’s up? ---There is _______ with my computer. It doesn’t work.
| A．nothing wrong | B．anything wrong |
| C．everything wrong | D．something wrong |
---Why not _______ a party this week?
---That’s a good idea.
| A．to have | B．having | C．have | D．had |
Playing with _______ robot is _______ unusual experience for me.
| A．an; an | B．a; an | C．the; a | D．a; a |
There are some children _____ in the room.
| A．singing | B．sing | C．are singing | D．to sing |
---I’m glad to meet you.---__________.
| A．The same | B．Thanks | C．Sure | D．Me, too |