Ai giúp mình với ạ mình cảm ơn nhiều 20. Give me a call when you get _______ the bus. A.in B. at C. of D. off 21. The plane _______ an hour late so I missed the meeting. A. took around B. took up C. took over D. took off 22. The meeting was very well organized. Everything began and finished _______ time. A. on B. in C. to D. at 23. After waiting for half an hour she was beginning _______ angry. A. get B. to get C. to getting D. got 24. The doctor told me _______ down and _______ A. to sit - to wait B. to sitting – waiting C. sitting - waiting D. to sit - wait 25. He’s 16, but he often seems _______ younger. A. be B. being C. to be D. to being 26. He drove so fast that I really felt my life was _______ danger. A. on B. at C. to D. in