There is some doubt ____ the sick schoolboy can join in the English evening party on Sunday.
| A．/ | B．whether | C．that | D．which |
Going on holiday not only __________you feel good while you’re there --- you reap the health benefits for months, new research shows.
| A．have made | B．make | C．has made | D．makes |
As hiring __________ more global, both for employers and candidates, video interviewing is a way to speed up the interview process.
| A．has become | B．became | C．will become | D．had become |
Those__________ rise early feel happier and more satisfied with life overall, compared to night owls.
| A．who | B．whom | C．that | D．whose |
Charlie was a rich boy who had more toys than you could imagine. A time came when he was so used to all his toys __________ he began to want something different.
| A．as | B．which | C．that | D．when |
The __________ of his books among parents and the recommendation of experts both at home and abroad have quickly made him a celebrity educator.
| A．similarity | B．popularity | C．personality | D．possibility |