. I’m not sure what time I’ll arrive, maybe half past seven or a quarter to eight.
_______ ，I’ll be there as early as possible.
| A．Anyhow | B．However | C．Thus | D．Therefore |
—Mary broke up with me!
—You_ _have forgotten about the Valentine's Day．
| A．shouldn't | B．couldn't | C．needn't | D．mustn't |
Have you considered how weak humans area volcano, hurricane or earthquake?
| A．comparing with | B．to compare with |
| C．compared with | D．having been compared with |
Can you explain ________ the sun goes down in the west?
| A．why is it that | B．why it is that | C．how it is that | D．how is it that |
—Someone has tidied the sitting room!
—Jim __ it this morning; he couldn't bear the mess any more．
| A．has done | B．would do | C．had done | D．did |
Peterson used to work in a remote mountain village school, which is only on foot.
| A．reliable | B．accessible | C．available | D．convenient |