---“Excuse me, sir? Would you mind moving a little bit to the left? You ______ my view of the screen.”
---Oh, sorry I ________ it.
| A．are blocking out; didn’t realize | B． are blocking up; haven’t realized |
| C．have blocked up; don’t realize | D．have blocked out; didn’t realize |
— Can you lend me the book Gone with the Wind?
— Sorry. I returned it to the library just now. Maybe it is still ____.
| A．available | B．affordable | C．acceptable | D．valuable |
You are working too hard. You'd better keep a ________ between work and relaxation.
| A．promise | B．read | C．balance | D．diary |
It is by no means clearthe president can do to end the strike.
| A．how | B．which | C．that | D．what |
When deeply absorbed in work, ________ he often was, he would forget all about eating or sleeping.
| A．that | B．which | C．where | D．when |
When you are done with the book, just give it to Lucy or Helen or __________.
| A．whoever | B．wherever | C．whatever | D．however |