【即时训练】
5. My physics teacher told me that light _t_r_a_v_e__ls___(travel) faster than
sound. 6. (2012全国)"Life is like walking in the snow", Granny used to say,
03
现在完成时
PART THREE
【要点精讲】 表示从过去某时开始的动作一直持续到现在并有可能继续下去。 常见标志词:副词型---already, ever, never, recently, lately, yet; 短语型---so far, every since, for days, up to now, in the past two years, over the weeks等。概括为:发生在过去,影响在现在。 例1:Since then, he has developed another bad habit. 例2:Up to now, everything has been OK. 例3:There has been no rain here for nearly two months.
"because every step _s_h_o__w_s__ (show).”
7. (2018全国I)While running regularly can’t make you live forever, the
review says it __is__ (be) more effective at lengthening life than walking,
【即时训练】 10. Look at the timetable. Hurry up! Flight 4026 __ta_k_e_s_(take)off at 18:20. 11. Ladies and gentlemen, please fasten your seat belts. The plane__is_t_a_k_in_g__ (take) off.