They are broadening the bridge to ________ the flow of traffic.
| A．put off | B．speed up | C．turn on | D．work out |
_______ to reach them on the phone, we sent an email instead.
A, Fail B, Failed C, To fail D, Having failed
We went through a period _______ communications were very difficult in the rural areas.
A, which B, whose C, in which D, with which
The television___________. It’s working again now.
A, is being repaired B, has repaired C, is repairing D, has been repaired
It is reported that two schools, _______ are being built in my hometown, will open next year.
A, they both B, which both C, both of them D, both of which
I felt greatly honored ____________ into their society.
A, to welcome B, welcoming C, to be welcomed D, welcomed