Choose the best option ( A, B, C or D) to complete each of the following sentences:
1. We should _________ all our clothes and plastic bags.
A. reuse
B. recycle
C. compost
D. reused
2. Is the rubbish _________ every day?
A. collect
B. collecting
C. collected
D. be collected
3. I am delighted _________ you passed your exam.
A. that
B. to
C. in order to
D. so that
4. English is _________ as an international language.
A. spoke
B. was spoken
C. spoken
D. speaking