8. Put the verbs in brackets into Past Simple or Past

8. Put the verbs in brackets into Past Simple or Past Perfect.
1) When she (go) to bed, she (remember) that she (not/lock) the door. 2) We (solve) the problem by the end of May. 3) He (complete) his experiment by the time his chief came. 4) She (feel) tired yesterday because she (work) hard the day before yesterday. 5) She (go) for a holiday after she (pass) all the exams. 6) When he returned to the hotel he (find) a message that someone (phone) in his absence. 7) His wife (not/be) in. She (go) out a quarter of an hour before. 8) He (come) into the room a moment after I (get) there. 9) Soams (spend) a night at Winchester, a place he often (hear) of but never (see). 10) There (be) silence after she (go) away. 11) He (submit) his candidate thesis by the end of his post-graduate course. 12) His smile (be) something she never (see) before.