1 D I played ( was -> quá khứ đơn )
2 D took ( take + SO + to + somewhere )
3 C of ( tobe proud of: tự hào về )
4 B go on ( tiếp tục )
5 C while ( quá khứ đơn + while + quá khứ tiếp diễn )
6 D lost ( lost key: chìa khóa bị mất )
7 D hard
8 B from
9 D rarely ( hiếm khi )
10 A stopped
11 A Although
12 B frightening
13 D b and c are correct
14 B to go ( would you like + to V )
15 D shouting