He hesitated for a moment before kicking the ball, otherwise he ______ a goal.

Mr. Bush is on time for everything. How ____ it be that he was late for the opening ceremony ?

You can’t imagine that a well –behaved gentleman ______ be so rude to a lady.

— Write to me when you get home. w.w.w.k.s.5.u.c.o.m  
— __________.

I was really anxious about you. You _______ home without a word.

“Did Jim come？” “I don’t know. He _______ while I was out.”

“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.” 高.考.资.源.

“Show me your permit, please.” “Oh, it’s not in my pocket. It ______.”

“Is there a flight to London this evening？” “There _______ be. I’ll phone the airport and find it out.”

“You ______ your teacher for help. He is kind-hearted.” “Yes. A whole day _______.”