I didn’t feel like I was overlooking my studies, ______ maybe I could work harder in Maths .
| A．and | B．however |
| C．therefore | D．but |
The sports meeting, due to ______ this weekend, has been put off due to the rain these days.
| A．being held | B．holding | C．hold | D．be held |
Researches are convinced ______ the positive effect of laughter ______ physical and mental health.
| A．of; at | B．by; in | C．of; on | D．at; on |
The ______ scene where the accident happened made him ______ to death.
| A．scary; scared | B．scared; to scare |
| C．scared; scary | D．scary; scary |
It suddenly ______ to the detective that the professor was probably murdered by his own wife .
| A．came about | B．took place | C．happened | D．occurred |
The company has ______ a famous lawyer ______ him as the case is tough.
| A．arranged; to defend | B．been arranged; in the defence of |
| C．arranged for; in defence of | D．arranged with; in defence for |