—Is there a fog in the evening ?—There           be . I’ll make a phone call to find it out .

______you like to have dinner with me this evening?

--- He didn’t turn up last night, did he? --- Yes. But he _______. The meeting had been cancelled.

—Who has made a mess in my room?—Who else       it but your naughty son?

 I ________ him in time, otherwise he would have fallen off the bike.