The expert did encourage the ______ of new medical treatments into his own country.
| A．attention | B．introduction | C．intention | D．information |
. --- Sarah said she wrote you a letter.
--- I wonder ______ she is writing to me about.
| A．that | B．why | C．what | D．when |
. The new law has come into _____; surely it will have _____on industry of the country.
| A．affect; an effect | B．effect; affect | C．effect; an effect | D．an effect; an effect |
---I’m sorry I broke your teapot, but I didn’t mean _______.
--- Forget it.
| A．to do | B．doing | C．to | D．doing so |
. Don’t play with the dog, Jack, for it _____ be dangerous at times.
| A．shall | B．should | C．can | D．must |
. ---Do you often attend meetings ?
--- Yes, I ________ organizational meetings at the end of every month..
| A．attend | B．will attend | C．am attending | D．have attended |