All her time________ experiments, she has no time for films.
| A．devoted to do | B．devoted to doing |
| C．devoting to doing | D．is devoted to doing |
She doesn't know _________________ made her daughter so sad this morning.
| A．what was it | B．why it was that |
| C．how that was | D．what it was that |
Only when __________________ permission _______________ allowed to enter the lab.
| A．a teacher has given; are the students | B．has a teacher given; are the students. |
| C．has a teacher given; the students are | D．a teacher has given; the students are |
—Will you be able to finish your work today ?
—________.
| A．I like it | B．I hope so | C．I’ll do so | D．I’d love it |
---Are you going to the cinema this evening? ----No, the ticket is _____ for us.
| A．terribly expensive | B．far too expensive |
| C．so much expensive | D．highly expensive |
---How is your plan getting along?
----I can’t carry on _____ any longer. Someone must help me.
| A．single | B．simply | C．alone | D．lonely |