Ram explained to his mother _____ he would get home late that night because of extra work.
| A．that | B．which | C．what | D．whether |
She ______ a smile when she heard her family went to Italy without her.
| A．managed | B．wore | C．performed | D．controlled |
Which sport costs the most _____ training facilities, players’ personal equipment and uniforms?
| A．in terms of | B．in place of | C．by way of | D．by means of |
— That’s the third time he’s won the award in this field.
— Yes. He ______ his maximum potential in the past decade.
| A．explored | B．is exploring | C．has been exploring | D．has explored |
It is clear that in modern society high _______ and demands are placed on students.
| A．motivations | B．expectations | C．standards | D．opportunities |
___ himself in carrying out an experiment, he can’t spare time to look after his children.
| A．Occupied | B．Having occupied | C．Occupying | D．Having been occupied |