He _______ have completed his work;otherwise, he wouldn’t be enjoying himself by the seaside.
I was really anxious about you. You____ home without a word.
Tom and Jack are both very clever. ________, Tom is _______ Jack.
--- Please _______ us in the discussion. --- I’d like to, but I’m _______ busy at present.
Two percent of the total poulation of China have ____ access to the Internet,____ with 45 percent in the USA and 15 percent in Japan.
He is __ that everyone likes to make friends with him.