My robot caught a virus, so my flat was _____.
| A．in the mess | B．in a mess | C．in the messes | D．six and seven |
Now and then they would ______ our house and have a talk with us.
| A．call on | B．drop in at |
| C．drop in on | D．drop in |
When he realized the police had seen him， the man ______ the exit as quickly as possible.
| A．made off | B．made for |
| C．made out | D．made up |
The books, ________ the dictionaries, must be put back where they ________.
| A．included； were | B．to include； are |
| C．including； were | D．including； are |
“Where is Mother.” “She is in the kitchen. She _______ the housework all morning.”
| A．is doing | B．was doing |
| C．has done | D．has been doing |
“Was Andrew there when you arrived？” “Yes, but he ______ home soon afterwards.”
| A．had gone | B．has gone |
| C．is going | D．went |