#19 Dan_________Tv when his parents arrived.
A)Had watched
B)Has watched
C)were watching
D)was watching
#25 In the Middle Ages, surrounding a castle with a ditch filled with water proved___a successful tecnique_____its security.
A) having been/of ensuring
B)to be/for ensuring
C)have been/to ensure
D) being/ to be ensured
#26 Don't phine Assel from 5 to 6, she_____an English class.
A) has
B)will be having
C)was having
D)will have
#28 There are___waiting for you.
A)runner-ups
B)runners-ups
C)runners-up
D)runner-up
#29 They've____lunch. They____it at 12 o'clock
A)Had/have
B)Have/had
C)had/having
D)had/had