(2012·浙江高考)Had they known what was coming next, they ________ second thoughts.

A．may have B．could have

C．must have had D．might have had

(2013·浙江高考)Eye doctors recommend that a child's first eye exam ________ at the age of six months old.

A．was B．be

C．were D．is

(2011·北京高考)—Where are the children? The dinner's going to be completely ruined.

—I wish they______always late.

A．weren't B．hadn't been

C．wouldn't be D．wouldn't have been

(2012·辽宁高考)Jack is a great talker. It's high time that he ________ something instead of just talking.

A．will do B．has done

C．do D．did

(2012·北京高考)Don't handle the vase as if it ________ made of steel.

A．is B．were

C．has been D．had been

(2010·江苏高考)George is going to talk about the geography of his country, but I'd rather he ________ more on its culture.

A．focus B．focused

C．would focus D．had focused

(2013·陕西师大附中模拟)If we had taken such effective measures much earlier, the river ________ so seriously now.

A．is not polluted

B．would not be polluted

C．had not been polluted

D．would not have been polluted

(2013·天津南开中学高三二模) ________ it rain tomorrow, we should have to put off the visit to the Yangpu Bridge.

A．Were B．Should

C．Would D．Will

(2013·成都七中考前模拟)We were stuck on the way to the scenic spot, otherwise we ________ lots of fun there.

A．had had B．have had

C．could have had D．could have

(2013·辽宁师范大学附中模拟)Fortunately it happened at night. If the hurricane ________ during the daytime, there ________ more deaths.

A．had happened; would have been

B．happened; would be

C．had happened; would be

D．happened; would have been