As most parents know by now, we should _____ our kids’ screen time or they will become couch potatoes who tend to be lazy.
| A．assess | B．limit | C．arrange | D．Apply |
________ 200BC, the Silk Road, which was the route for trade between the East and the West, was in use.
| A．As early as | B．As far as | C．As long as | D．As well as |
I went back to the cinema to look for my keys, only __________.
| A．finding it shut | B．having found it gone |
| C．to find it closed | D．to have found them |
The Chinese language differs from many Western languages ________it uses characters which have meanings and can stand alone as words.
| A．when | B．where | C．in that | D．in which |
It is often that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
By the time she reached the corner of the street, the footsteps _________.
| A．had gone | B．were gone | C．are missing | D．have disappeared |