20. Jill can sing more beautiful than her brother. A B C D *
21. She last visited her hometown two years ago.-> She hasn’t ________________________________________________________________________ *
22.It rains, so I can’t go out.-> If _______________________________________________________________________________ *
23.The teachers will teach us how to make pancakes tomorrow.-> We __________________________________________________________________________ *
24."My parents are working in the garden now", Huy said.-> Huy said ______________________________________________________________________ *
25.My sister and I did our homework for half an hour last night.-> It ______________________________________________________________________________ *
26. He / not old / enough / understand / problem *
27.Although / it / rain /heavily/ we / come / school / on time *