21£®This January will be very precious for us by which time we______ reviewing Senior Book I.

A£®will finish                                B£®will have finished

C£®have finished                          D£®will be finished

22£®It is reported that some wild animals were found_______ in a big cave in the mountain.    

A£®to hide dead      B£®hidden dead       C£®hiding dead          D£®hidden death

23£®_____ this afternoon, you would have to come again next week.

A£®The boss were not to return           B£®The boss didn’t return

C£®Didn’t the boss return                   D£®Were the boss not to return