—I’d like to call you at 10 o’clock next Friday morning if it is convenient.—I’m afraid I _______ an important meeting.
Parents ____ bring up their children under 16 and educate them properly.
All of us found _____ necessary to learn a foreign language.
I used to _____ bed at nine. Now I am used to ____ bed at ten.
The life of Milu ____ at present.
_________ is known to all, he is good at English.