They stopped fighting but stood there, ____each other without saying anything.
| A．glaring_at | B．staring_at | C．glancing at | D．glared at |
We understand _______small changes to our land can have a big impact upon our environment __________ as we know is vulnerable enough.
| A．what; which | B．what; where | C．how; where | D．how; which |
–Where can we park ___ car?
–Don’t worry. There’s sure to be ____ parking lot nearby.
| A．the; the | B．the; a | C．/; a | D．/; the |
—Do you often go to the gym? You look fit．
—On the contrary, seldom ____ in my spare time．
| A．I work out | B．did I work out |
| C．I worked out | D．do I work out |
Hearing the disappointing news, he was too sad to ____himself．
| A．contain | B．include | C．manage | D．command |
Any packet __ properly will not be accepted by the post office．
| A．not to address | B．not being addressed |
| C．not addressed | D．not having addressed |