_______ Tom, we wouldn’t have been late for the last bus.
| A．If we didn’t wait for | B．If we haven’t waited for |
| C．we hadn’t waited for | D．Had we not waited for |
It’s an eitheror situation －we can buy a new car this year or we can go on holiday but we can’t do________.
| A．others | B．either |
| C．another | D．both |
My mom suggests that we________eat out for a change this weekend.
| A．should | B．might |
| C．could | D．would |
I should not have laughed if I________ you were serious.
| A．thought | B．would think |
| C．had thought | D．have thought |
I________ to my cousin’s birthday party last night，but I was not available.
| A．went | B．had gone |
| C．would go | D．would have gone |
—Do you think George has passed the driving test?
—No.If so，he ________his car to our college yesterday.
| A．would drive | B．drove |
| C．would have driven | D．had driven |