Question

— Come and join us, Ben!
— I’m afraid I can’t. I’m too busy now. If I ________ time, I would certainly go.

A．had

B．will have

C．have had

D．have

Answer 1

A

句意：本，來加入我們吧！——恐怕我不能。我現(xiàn)在太忙。如果我有時間，我一定會去的。結(jié)合語境可知條件狀語從句中描述的是與現(xiàn)在相反的事實，故條件狀語從句中用一般過去時態(tài)，選Ａ。