He tried his best to solve the problem, _____ difficult it was.
| A．however | B．no matter | C．whatever | D．although |
The box _______ your English learning materials is on the desk next to Mr Li's.
| A．contains |
| B．containing |
| C．contained |
| D．to contain |
My family think they know a lot about me but I turn out to be a little different from_______ they think.
| A．what |
| B．that |
| C．which |
| D．how |
Peter received a letter just now _______ his grandma would come to see him.
| A．said |
| B．says |
| C．saying |
| D．to say |
Don't worry. He's now fully _______ from the operation.
| A．recovering |
| B．recovered |
| C．uncovering |
| D．uncovered |
Last night he saw two dark_______ enter the building and then there was the explosion
| A．features |
| B．figures |
| C．images |
| D．characters |