Where on earth have you been? We you back much earlier.
| A．were expecting | B．are expecting | C．had expected | D．expect |
A library together with 5000 books for the school.
| A．was provided | B．were provided |
| C．provided | D．have provided |
They had beenfor many years.
| A．lost touch with | B．out of touch |
| C．lost touch | D．out of touch with |
Isnecessary to complete the design before National Day?
| A．this | B．that | C．it | D．he |
It was not until 1920regular radio broadcast began.
| A．while | B．which | C．that | D．since |
Generally speaking,according to the directions,the drug has no side effect.
| A．when taking | B．when taken |
| C．when to take | D．when to be taken |