IT SEEMS DIFFICULT FOR US ……….. ABROADA. GOING B. TO GO C. GO D. W...

50. - BAI TAP TRAC NGHIEM TONG HOP A9
BAI TAP TRAC NGHIEM TONG HOP A9

50. It seems difficult for us ……….. abroad

a. going b. to go c. go

d. went

51There used …… a stadium here, but it closed

along time ago

a. is b. be c. being

d. to be