A study shows the students who are engaged in after-school activities are happier than _________who are not.
| A． |
ones |
B． |
those |
C． |
these |
D． |
them |
Without you, I _______ the first prize in the speech contest. Thank you, John.
| A．can’t win | B．won’t win |
| C．hadn’t won | D．wouldn’t have won |
________ it rain tomorrow, we should have to put off the visit to the Yangpu Bridge.
| A．Were | B．Should |
| C．Would | D．Will |
________ anyone come to my office, please tell them I'm not available before four o’clock.
| A．Might | B．Could |
| C．Would | D．Should |
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 |