______ you eat the correct foods ______ be able to keep fit and stay healthy.
| A．Unless; will you | B．Only if; you will |
| C．Only if; will you | D．Unless; you will |
He’d rather stay at home, ___ he?
| A．didn't | B．wouldn't | C．hadn't | D．both B and C |
English is ___ useful language.
A. a B. an C. the D,/
He was caught in the heavy rain.That’s ___ he was ill.
| A．how | B．which | C．why | D．what |
--Would you be ___ to help me with my study?---I'll be very glad ___ it.
| A．too kind, doing | B．very kind, doing | C．as kind as, to do | D．so kind as, to do |
The film was so ___ that we were greatly ___ in it.
| A．interesting; interesting | B．interested, interesting |
| C．interested, interested | D．interesting, interested |