1. They thought about the ________ of black children into the school system in the southern states of America several years ago. A.delivery B.interference C.intervention D.integration 2.In 2004, ASEAN had a_________ gross domestic product of about US$ 737billion A.combine B.combining C.combined D.combination 3. 'Can i have next Tuesday _________ ? I'll have to go to my niece's wedding. Of course, you can A.away. B.by. C.off. D.for 4.__________mistake i opened her letter instead of mine A.by. B.with. C.on. D.for 5.when i came to visit her last night,she _______a bath. A.is having B.was having C.has. D.had 6.wait here until i _______you A.am going to call. B.call. C.will call. D.am calling 7.________ I came to see her yesterday, she was reading a book. A.before B.while C.after D.when 8.If the weather __________ worse, we'll have to cancel our camping trip A.got. B.would get. C.will get. D.gets 9.after she had returned home ,she ________herself a good dinner A.would be cooking B.has cooked C.cooked D.was cooking 10. Because Lan__________breakfast, she isn't hungry now A.has eaten B.was eating C.eats. D.ate Giúp em với ạ