People can find so many good things, such as useful information and lovely pictures on the web, __________ it is also a global village filled with bad things.
--What did you get ______ your mother ______ Mother’s Day? -- A beautiful card ______ “Thank you, Mum”.
--Who______ it be that is knocking at the door? --It ______ be Father, but I’m not sure.
Judging from his______ expression, this problem must be quite ______.
Listen! Do you hear someone _____ for help?
--How is your cousin, Kate? --She broke her leg and ______ medical treatment since.