Ex 2: Complete these sentences by using “S+be+ adjective to Vnt” structure. 1.It's (normal/ feel) .................................. tired after a long trip. 2.It's (difficult/ play) ...................................the piano well. 3.It's (impossible/ complete) ...................................this project in 24 hours. 4.It's not (unusual/ see) ...........................................traffic jams in Hanoi. 5.It would be (awkward/ call) ..................... him again. 6.It's not (easy/ learn) .................................................... Japanese. 7.It's (difficult/ explain) ............................................some grammatical rules. 8.It was (important/ eat) ............... clean and healthy food 9.It's (dangerous/ go) ...................... out after midnight. 10.It's (risky/ invest) ..............too much money on lottery.