. Despite all the evidence to the contrary, the witness _____ that his story was true.
| A．stuck out | B．stood out | C．kept down | D．held up |
I ＿＿＿＿ ping-pong quite well, but I haven’t had time to play since the new year.
| A．will play | B．have played | C．played | D．play |
——What’ s the matter?
—— The shoes don’ t fit properly.They＿＿＿＿my feet.
| A．are hurting | B．will hurt | C．have hurt | D．are hurt |
.In this experiment, they are woken up several times during the night, and asked to report what they＿＿＿＿.
| A．had just been dreaming | B．are just dreaming |
| C．have just been dreaming | D．had just dreamt |
When he was alive, the old scientist used to say that knowledge ＿＿＿＿from practice and he gained his experience by doing a lot of practical work.
| A．was coming | B．had come | C．comes | D．would come |
He ＿＿＿articles for our wall-newspaper these three years, and he ＿＿＿about forty articles.
| A．has been writing； has written | B．has been writing； wrote |
| C．is writing； has been writing | D．has written； has written |