10) She usually walks to work but today is going by taxi because she is late.
11) What are you thinking at present? You look worried.
12) His sister is drinking some water because she is thirsty.
13) Ron doesn't want to buy that watch, because he hasn't enough money.
14) They always wear uniforms but this week they are wearing casual dresses.
15) The students don't understand what their teacher is explaining right now.
16)Sandra work as an academician at a university.
17) Sandra is working on an academic project currently.
18) What is your mother cooking? It smells so nice.
19) My uncle is living in Poland. I write to him once a month.
20) Mr. Pinter never spends his money on unnecessary things, he prefers to save it.
coroana?
