42) i feel fine this morning, but i___ very tired last

42) i feel fine this morning, but i___ very tired last night
43)we__ a conference last week(didnt had, had, have, were having)
45) this experiment is ___ interesting than the other one( the most, many, more, mush)
46)they__ to the library( are sent, is sent, will be sent, will be sent, will be send)
47) he__ given all the necessary books next week( is, are, will be, shall be)
48) yesterday the first-year students __ the institute laboratories( saw, see, seen, seed)
49)they___ light supper tommorow( will be having, have, will have, had)
50)they__ in the reafing-toom now(-, is, are, am)