It is________ for us to deal with.
| A．an enough difficult situation |
| B．such a difficult situation |
| C．too difficult a situation |
| D．so difficult a situation |
It is such a modem machine ____few of the workers know how to operate it.
| A．which | B．that | C．as | D．the one |
_____ in bed, we listened to the heavy rain _______ the window.
| A．Lie; hitting | B．Lay; knocking | C．Lying; beating | D．Lain; striking |
Is_____ necessary ____them to stop ________ every two hours?
| A．that; for; resting | B．that; of; to rest | C．it; for; to rest | D．it; of; resting |
_______ my opinion, that job isfor a girl of ten.
| A．In; too much | B．In; much too | C．By; too many | D．By; many too |
.I got caught in the rain and was wet all over. _____I had followed my mother’s advice and take an umbrella with me!
| A．As if | B．Even if | C．If only | D．Only if |