2.     Make complete sentences using the cues. Then combine the two sentences with because / as / since

a.     He / must / punish / polite. He / drive / too / fast.

b.     Tom / try / learn / English. He / want / travel / England.

c.      My class / happy. We / win / football / match / last Saturday.

d.     Her parents / extreme / worried. She / can / not/ pass / entrance exam.

e.      Air / pollute / serious. People /not / know / protect / forests.