When the question _____ at the meeting, no one could answer it.
He ______ the test again, in which case, his mother will be very disappointed.
I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.
They often go to the restaurants for meals. They _____ be very poor.
“Shall we go shopping?” “Sorry, we _______ buy anything now because none of the shops are open.”
I _______ have met him a long time ago. Both his name and face are very familiar.