It was only after she had read the papers _______ Mary realized the homework before her was extremely difficult to complete.
| A．when | B．that | C．which | D．what |
—I don't have any change with me. Will you pay the fare for me?
— ________ .
| A． That's fine | B． Nothing serious | C． Never mind | D． No problem |
As soon as I entered Evan’s company I saw a board ___, “___ to Evans”.
| A．reads; Welcomed | B．written; to Welcome |
| C．reading; Welcome | D．printed; Welcome |
Up to now, doctors ___ able to do very little to treat this disease.
| A．are | B．will be | C．have been | D．were |
No wonder the children are excited—this is the first time they’ve been abroad.
| A．trouble | B．problem | C．doubt | D．wonder |
—Excuse me, can you show me the way to Baiyun Middle School?
—Sorry, I don’t know. I’m a stranger here.
—___.
| A．Thank you all the same | B．It doesn’t matter |
| C．Never mind | D．No problem |