Thornberry, the Shadow Foreign Secretary asked about terror in Northern Ireland, the Northern Ireland border, the EU Withdrawal Agreement 'backstop', a customs union with the European Union and cross-party Brexit negotiations.
The SNP's Deputy Westminster Leader, Kirsty Blackman, asked about action on climate change.
Full list of topics and questioners
Conservative MP, Jack Brereton (Stoke-on-Trent South), asked about town centre rejuvenation.
Conservative MP, Tom Pursglove (Corby), asked about a second EU referendum.
Conservative MP, Colin Clark (Gordon), asked about seasonal agricultural workers scheme.
Labour MP, Ruth Cadbury (Brentford and Isleworth) asked about funding for public services.
Conservative MP, Rebecca Pow (Taunton Deane), asked about a net-zero emissions target for 2050.
SNP MP, Stuart C. McDonald (Cumbernauld, Kilsyth and Kirkintilloch East), asked about proposed closure of Cumbernauld tax office.
Conservative MP, Douglas Ross (Moray), asked about wild fires.
Liberal Democrat MP, Tom Brake (Carshalton and Wallington), asked about a second EU referendum.
Conservative MP, David Tredinnick (Bosworth), asked about the UK's EU exit date.
Labour MP, Mary Glindon (North Tyneside), asked about civil servant pay.
Conservative MP, Vicky Ford (Chelmsford), asked about dementia research.
DUP MP, Sammy Wilson (East Antrim), asked about the persecution of Christians around the world.
Conservative MP, Richard Graham (Gloucester), asked about visa fees for Commonwealth service people.
Labour MP, John Mann (Bassetlaw), asked about tackling racism and violence in football.
Conservative MP, Alberto Costa (South Leicestershire), asked about EU citizens' rights.
Labour MP, Bill Esterson (Sefton Central), asked about investment in renewable energy.
Conservative MP, Dr Julian Lewis (New Forest East), asked about links between Huawei and the Chinese government.
Labour MP, Chris Elmore (Ogmore), asked about Welsh railway infrastructure.
Conservative MP, Stephen Kerr (Stirling), asked about European funding for dementia research.
Labour MP, Danielle Rowley (Midlothian), asked about support for the renewables industry.
Conservative MP, Kevin Hollinrake (Thirsk and Malton), asked about Brexit negotiations.
DUP MP, Nigel Dodds (Belfast North), asked about the death of Lyra McKee and violence in Northern Ireland.
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