There has been a lot of important (improve) _____________ here in the last 20 years.
举一反三
- Only in the last few years ______ to improve the conditions of the blighted (荒芜的) areas in Hong Kong. A: anything has been done B: there is anything done C: has there anything been done D: has anything been done
- How many years has Richard been working in this company? ________ years.
- Our math teacher____ here for 10 years. A: is B: was C: will be D: has been
- She ______lived here for ______ years. A had, a few B has, several C had, a lot of D has, a great deal of
- By the end of next month I ______ here for 20 years exactly. A: have been working B: shall have been working C: would have been working D: has been working