Experts think that ____ recently discovered painting may be ____ Picasso.
| A．the;/ | B．a; the | C．a;/ | D．the; a |
_________ to education , she spent much time communicating with the students and their parents.
| A．Devoted | B．Devoting | C．Having devoted | D．Devote |
The experiment done by Tomlinson _______successful.
| A．proves | B．was proved | C．is proved | D．prove |
He is always full of ______ as if he never knew tiredness.
| A．strength | B．force | C．energy | D．spirit |
The bag has lots of things in it, ______ an old dictionary.
| A．containing | B．showing | C．holding | D．including |
I was about to tell everyone the truth ______ she turned up.
| A．while | B．when | C．as | D．till |