David is________animal fur, so he won't visit anyone who has cats or dogs in the house.
| A．curious about | B．allergic to |
| C．satisfied with | D．fond of |
When the meeting was over, he _____ writing a report about it immediately.
| A．set off | B．set out |
| C．set forth | D．set about |
A person _____ email account is full won’t be able to send or receive any emails.
| A．who | B．his |
| C．whose | D．whom |
Peter’s shoes looked just the same as Jack’s, but it cost _____ his.
| A．as much twice as | B．twice as much as |
| C．much as twice as | D．as twice much as |
We are not twins, but we are very much _____. People often mistake one for another.
| A．like | B．alike |
| C．unlike | D．likely |
Don’t do that. It is impolite to play jokes _____ others.
| A．at | B．with |
| C．for | D．on |