2. B: played ( past simple: last week ) 3.A: let B: helping ( at the momment : tiếp diễn ) 4.A: trying B: give up ( should/shouldn't + V) 5. A: going ( how about + V-ing) B: staying/watching ( prefer+ N/V-ing to N/V-ing) 6.A: to ask ( need + to V) B: swimming 7.B: have 8. A: to get B: working XIN HAY NHẤT Ạ !!!
