There is no doubt _______international cooperation is the key to dealing with cyber crime.

There is no doubt they will give me a hand if I have any trouble.

Did you find your English dictionary yesterday—No, I didn’t find ________, but I’ve borrowed ______ from the school library.

t in mind not to disturb the president at twoo’clock this afternoon, when he ____ a global joint meeting.

Occasions are quite rare ____ I have thetime to spend a day with my kids.