9. Someone has suggested abolishing income tax. >> It has been suggested 4. They last repaired the castle in 1968.  They haven’t 5 She is working late next Saturday, so she can’t come to the party.  Because Lan II. Make clauses of concession with WHATEVER. 1. No matter what happens, don’t forget to write to me. 2. She will refuse to consider our proposal even if we made any kinds of effort to persuade her. 3. No matter what kinds of exercises he had taken, he was still putting on weight. 4. No matter what sorts of difficulties you may encounter, you should keep your promise. 5. No matter what he says, nobody believes him. 6. You should review all your lessons before taking your exam although you have any kinds of difficulties. 7. Although he had taken any kinds of exercises, he got fatter and fatter. 8. You should always study hard although you encounter difficulties. 9. Although others may say anything, she is certainly right. 10. Although he chose any job, his parents were pleased with him. hộ mik vs ạ