Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word.
1. Viet Nam, ____ is in the south-east Asia, exports rice and many special fruits.
2. ____ anyone call, would you please ask them to call back later?
3. I wish I ____ Tony the money; he spent it all stock.
4. If you ____ to my advice in the first place, you wouldn't be lost right now.
5. "I have a fever." - "____ you take an aspirin?"
