—Have you known each other for long?
—Not very long, __________ we started to work in the company.
| A．after | B．before | C．when | D．since |
In some Muslin countries, women do not _______their faces in the public.
| A．explore | B．challenge | C．expose | D．blame |
—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 |