John hasn’t come yet, I don’t know _____.
A. what has happened to him B. when he came
C. what was wrong with him D. where is he
My house is about 25 _____ drive from the airport.
A. minutes B. minutes’
C. minute D. minute’s
It’s said that the young trees along the river _____ two years ago.
A. planted B. was planted
C. were planted D. are planted
---I don’t know when he will arrive.
---Don’t worry. I’ll call you as soon as he _____.
A. arrives B. will arrive
C. has arrive D. is arriving
Mum didn’t go to bed _____ I came back home last night.
A. until B. while
C. thoughD. because
When Daniel feels blue, he likes wearing orange to _____.
A. wake himself up B. give himself up
C. cheer himself upD. pick himself up