---What do you think of this maths problem? Is it too hard?----Not ___.
We were running out of gas. I went off ____ a service station where I could buy some gas.
There is no _______ that drinking milk before going to bed is helpful to our health.
Now these boys ______our football team.
----How about _______ Christmas evening party? ----I should say it was _______ success.
----- What time is it now? ----- _____ my watch, it is 8 o’clock.