... Therefore, Although, Because)37. Hanh can’t go to the movie with us tonight because she has to………………………her little sister. (look up, look after, look out, look for) 38. Nga is very tired. …………………………., ... whom)7. Their aunt is the old lady………………you met in front of her house. (whom, which, when, whose) 8. The beach……………………the students are cleaning up the trash is a beautiful one. (where, which, who, ... whose)17. These are the latest news…………………….you might want to know. (that, which, whom, who) 18. Ba and his friends are fond of the performing animals……… have just come to town. (which, who,...