Look at this! It’s broken now! You ________ have been careful!
A. could B. must C. would D. should
It was my sister ________ first had the idea to cycle along the entire Mekong River.
A. who B. whom C. / D. which
I’m surprised to hear from my school teacher again. ________, it is ten years since we met last.
A. In a word B. Believe it or not C. That’s to say D. Of course
My classmates insisted that I ________ the school field trip to Jilin.
A. organized B. would organize C. organize D. had organize
—Miss Wang, I hear that you ________ for Beijing. Have you got everything ready?
—Almost.
A. leave B. left C. have left D. are leaving
American English has changed ________ time. There are several reasons ________ this.
A. over; for B. for; with C. in; of D. during; about