“Life is like walking in the snow，”Granny used to say，“because every step ________.”(2012·新课标全国)
A．has shown B．is showing
C．shows D．showed
(2013·辽宁，22)He was unhappy when he sold his guitar.After all，he________it for a very long time.A.has had B．had had
C．has D．had
(2013·山东，27)—Oh no! We're too late.The train________.
— That's OK.We'll catch the next train to London.
A．was leaving B．had left
C．has left D．has been leaving
(2013·江苏，25)—Could I use your car tomorrow morning?
—Sure.I________a report at home.
A．will be writing B．will have written
C．have written D．have been writing
(2013·江苏，21)Generally，students' inner motivation with high expectations from others________essential to their development.
A．is B．are C．was D．were
(2013·湖南，34)—I don't understand why you didn't go to the lecture yesterday afternoon.
—I'm so sorry.But I________my homework.
A．had done B．was doing C．would do D．am doing
