问题

Danny _______ hard for long to realize his dream and now he is popular.
A:works
B:is working
C:has worked
D:worked;
B:is working
C:has worked
D:worked;
正确答案是:
同类题型
Sorry, the tickets have already been sold out.—Really? Maybe I _______ a little earlier.
Can you learn English ________ chatting on theInternet
Now that you are in charge of the department, you are ___________ to carry out the plan.
_______ of the students in our class _______ money to the quake-hit areas these days.