A. has been held B. is being held C. is going to be held D. will hold
A. will need B.will be needed C. need D. are needed
A. alter B. shift C. transfer D. vary
A. reliable B. probable C. feasible D. flexible
A. inject B. install C. invade D. insert
A. route B. transmission C. vision D. manner
A. rigid B. solid C. smooth D. harsh
A. spring will com B. spring comes C. It has been spring D. It will be spring
A. have been tested B. had been tested C. were tested D. had tested
A. shall finish B. must have finished C. have finished D. shall have finished
A. will teach B. would have taught C. has been teaching D. will have been teaching
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