Had he not come an hour earlier, he＿＿＿the secret that his mother was always there.
| A．must never find | B．must never have found |
| C．would never find | D．would never have found |
Had he not come an hour earlier, he＿＿＿the secret that his mother was always there.
| A．must never find | B．must never have found |
| C．would never find | D．would never have found |
---- What do you think of a house supplied by Lovell ?
---- _______ you buy a home from Lovell, the company promises to buy it back at the same price after three years.
| A．Should | B．Must |
| C．Could | D．Would |
Had the government limited the sales of cars much earlier, traffic jam and pollution _______so serious now．
| A．has not been | B．would not be |
| C．had not been | D．wouldn't have been |
____today, he would get there by Friday.
| A．Would he leave | B．Was he leaving |
| C．Were he to leave | D．If he leave |
Had they known what was coming next, they _________second thoughts.
| A．may have | B．could have |
| C．must have had | D．might have had |