_______I think it good for you to try the new position, never_______ more responsibilities than you can handle.
—Is Bob still performing?—Im afraid not.He is said _______ the stage already as he has become an official.
I don’t know whether you happen_______, but I’m going to study in the U.S.A. this September.A. to be heard B. to be hearingC. to hear D. to have heard
The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.
We often provide our children with toys,footballs or basketballs, _______ that all children like these things.
The Olympic mascots are the Olympic flame, the fish, the panda, the Tibetan antelope and the swallow, _______ a close group of friends.