---What do you think worries him so much? ----____.
| A．He didn’t pass the exam | B．His father is seriously ill |
| C．Lost his bike | D．What Jim said just now |
The fire _______ before the fire-fighters arrived．
| A．has been put out | B．was put out |
| C．had put out | D．had been put out |
With some snow on top of it,the Yellow Mountain looked fantastic this winter．Actually, I doubt whether we
could visit ______mountia
n in China．
| A．a most beautiful | B．the most beautiful |
| C．a more beautiful | D．a beautiful |
---Would you mind letting me ______ your laptop for another two weeks?
---No problem．
| A．borrow | B．keep | C．lend | D．bring |
It is well known that water is not _____ endless resource,nor _____ that can be made once more．
| A．the, / | B．an, one | C．an ．that | D．/, one |
---Mom．I’m so tired．I can’t walk any further．
---______, my dear．You can make it．
| A．Come on | B．No worry | C．That’s impossible | D．No problem |