--Have you finished your work yet?
--Yes, I have . It ____________ half an hour ago.
| A．has been finished | B．finished | C．was finished | D．has finished |
—What’s this in English??
—It’s _______ orange.
| A．a | B．an | C．the | D．/ |
—Can she play the guitar?
—No, she_______. It’s too hard for her.
| A．Must | B．should | C．can | D．can’t |
I can’t tell when the house was built _______, but it must be very old.
| A．exactly | B．differently |
| C．quickly | D．Simply |
—Are you as friendly as your sister?
—No, I’m not. I’m _______ than her.
| A．friendly | B．friendlier |
| C．friendliest | D．Younger |
— Why don’t you like biology?
— Because I think it’s _______________ .
| A．interesting | B．relaxing |
| C．boring | D．Fun |