So much progress _____ in the past few months that she now has no difficulty in making herself understood in English.
| A．did she make | B．has she made | C．she has made | D．she made |
The factory has _____ workers due to the drop in sales, which will lead to an increase in unemployment.
| A．paid off | B．laid off | C．set off | D．put off |
As long as you are confident and determined, you will _______ whatever difficulties you face.
| A．overcome | B．confirm | C．grasp | D．acquire |
I have been advised to arrange for insurance _________ I need medical treatment.
| A．so that | B．unless | C．in case | D．though |
________ in the traffic jam, she failed to catch the train, which mader her upset.
| A．Catching | B．Having caught | C．To catch | D．Caught |
I don’t speak any French. I wish I _______ harder when I was at school.
| A．had worked | B．worked | C．would work | D．work |