Play, often _______ as an activity for young children, is still important in the social development of teenagers.
| A．to see | B．seeing | C．to be seen | D．seen |
_____ he thought he was helping us with the work, he was actually in the way．
| A．Since | B．When | C．Because | D．If |
--- How was your family's party?
--- We didn't plan like that, but it ____ very well．
| A．tried out | B．went out | C．worked out | D．carried out |
---What did you do last weekend, Jack?
--- Well, I ____ to see a film, but in the end I stayed home doing nothing．
| A．was going | B．has gone | C．went | D．had gone |
---You shouldn't have said that．Look! She is getting _____．
--- But I meant no harm．
| A．unfair | B．unconcerned | C．unmoved | D．uneasy |
Developing science and technology must ____ people rather than harm them．
| A．support | B．benefit | C．consider | D．serve |