Khoanh vào ý đúng hoàn thành các câu sau

1. I'll phone you_______I come to England
A. by the time    B. at the time     C.whenever        D. the time     
2. David can make an airplane appear and disappear______
A. magical         B. magic             C.magic's           D.magically
3. By the time my mother___home, I___all my homework
A. got/had done    B. got/did        C. got/had did    D. had got/had done
4. Everybody______happily. Suddenly they______smoke
A. was dancing/smelt     B.had danced/smelt      C.danced/smelt      D.were dancing/smelt