— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
— Oh, dear ! She ______ a lot of difficulties !
| A．may go through | B．might go through |
| C．ought to have gone through | D．must have gone through |
He told us ________ again.
| A．to never do that | B．never to do that |
| C．never do that | D．never did that |
---When will the plane leave?
---It ________ very soon.
| A．leaves | B．is leaving | C．has left | D．had left |
We got up very early this morning _________ we could get there in time.
| A．in order to | B．so | C．that | D．in order that |
I refuse to accept the blame for something ________ was someone else’s fault.
| A．what | B．who | C．that | D．as |
The man _______ at the meeting was Mr. Wang.
| A．spoke | B．who spoke | C．was speaking | D．who speaking |