All her time __________experiments, she has no time for films.
| A．devoted to do | B．is devoted to doing |
| C．devoted to doing | D．is devoted to do |
I still remember ____ it was, he told me, ____ I could solve this kind of problems．
| A．what ;that | B．how; that | C．what, what | D．when, who |
____at the front ____some VIPs from the company．
| A．Seating; was | B．Seated; were | C．Sitting; was | D．Sat; were |
The three nations were wise enough not ____the agreement until they could discuss it further．
| A．to sign | B．signing | C．having signed | D．to have signed |
--- ____he come to see you?
--- Of course, please．And I’d rather he ____me the truth．
| A．Shall; told | B．Should; will tell | C．Can; inform | D．Will; informed |
It is worth the time to talk to Professor Li in that he can always ____ some practical suggestions．
| A．get close to | B．keep up with | C．come up with | D．live up to |