—She looks very happy.She_______have passed the exam.
—I guess so.It’s not difficult after all.
| A．should | B．could | C．must | D．might |
The teacher raised his voice ____ all the students could hear him clearly.
| A．in case | B．so that |
| C．even though | D．so as to |
Check your homework to avoid ______ mistakes again.
| A．make | B．making | C．to make | D．made |
First of all, please _____ me to introduce myself to you．
| A．make | B．agree | C．let | D．allow |
He didn’t catch the first train. That’s ____ he didn’t attend the meeting.
| A．because | B．how | C．why | D．when |
He is ____ to come here tomorrow if he can finish his work on time.
| A．possible | B．probable | C．likely | D．alike |