The old lady didn’t know_____when the house caught fire.
A. how to do B. how to do it
C. what to do D. what to do it
Sally works very hard. ______, she won the first place.
A. At the end of B. at last C. Luckily D. To the end
--_____ your parents _____ the weather forecast when you got home?
--No. My mother was in the kitchen then.
A. Are, watching B. Were, watching C. Did, watching D. Did, watch
When it was dark, I didn’t know if _______ was around me.
A. someone B. no one C. nobody D. anyone
—What were you doing _____ your mother was cooking?—I was doing my homework.
A. during B. when C. while D. after
The police had to _____ the door _____ to reach the people trapped inside.
A. calm, down B. come, down C. fall, down D. break, down
