Fred is second to none in maths in our class, but believe it or not, he _______ passed the last exam.
| A．easily | B．hardly |
| C．actually | D．successfully |
Barbara Jones offers to her fans is honesty and hapiness.
| A．Which | B．What | C．That | D．Whom |
It is uncertain____side effect the medicine will bring about，although about two thousand patients have taken it.
| A．that | B．what | C．how | D．whether |
The other day，my friend John drove his car down the street at _______I thought was a dangerous speed andsurprised everyone in the car.
| A．which，that | B．which，it | C．as，which | D．what，that |
The lack of eco-friendly habits among the public is thought to be a major ____ of global climate change.
| A．result | B．cause | C．warning | D．reflection |
Arriving home，the boy told his parents about all the________which occurred in his dormitory.
| A．occasions | B．incidents | C．matters | D．accidents |