1. We all worry about the famous dancer who has recently been diagnosed cancer.
A. with B. in C. by D. on
2. All the cash crop before we placed an order.
A. is exported B. has been exported
C. will be exported D. had been exported
3.You’d better calm down and think of a solution as quickly as possible! That’s the key our project successfully.
A. to finish B. to finishing C. finishing D. finish