This is _______ armchair. I’m writing with ________armchair.
| A．a; a | B．an; the | C．a; the | D．the; an |
I wouldn’t mind______a roommate. We can help each other and save money as well.
| A．having | B．to have |
| C．have | D．had |
Harry has decided __________ an online shop after graduating from school.
| A．open | B．to open |
| C．opened | D．opening |
By the end of last week, she______in the west of China for two months helping the homeless children.
| A．will stay | B．has stayed |
| C．would stay | D．had stayed |
Susan and Lily______tomatoes a nd other vegetables on the farm this time yesterday.
| A．pick | B．are picking |
| C．will pick | D．were picking |
The robot can help me sweep the floor. smart invention it is!
| A．What | B．What a |
| C．What an | D．How |