—What caused the party to be put off?
—_________the invitations.
| A．Tom delayed sending | B．Tom’s delaying sending | C．Tom delaying sending | D．Tom delayed to send |
_____ I see someone wearing a mask, I think of my holiday in Venice.
| A．Even if | B．Until |
| C．Whenever | D．Although |
All happy families _____ one another, but each unhappy family is unhappy in its own way.
| A．resemble | B．are similar |
| C．similar to | D．resemble to |
I don’t think the old man saw me—he _____ a newspaper.
| A．is reading | B．had read |
| C．read | D．was reading |
Greatly encouraged by what the teacher said, the boy returned to his seat, ____ to study harder.
| A．being determined | B．to determine |
| C．determined | D．having determined |
As US President Barack Obama _____London, fresh figures showed US house prices were falling at their fastest pace on record.
| A．set up for | B．set in to |
| C．set off for | D．set down to |