I________that all windows are shut.I did it.
| A．make sure | B．am sure | C．make clear | D．am clear |
Being a parent is not always easy, and being the parent of a child with special needs often carries with___extra stress.
| A．it | B．them | C．one | D．him |
Jack is a great talker. It’s high time that hesomething instead of just talking.
| A．will do | B．has done | C．did | D．do |
With more forests destroyed, huge quantities of good eartheach year.
| A．is washing away | B．is being washed away |
| C．are washing away | D．are being washed away |
How did it that you made such a silly mistake?
| A．bring about | B．come about |
| C．come across | D．come on |
He was told that it would be at least 3 more monthshe could recover and return to work.
| A．until | B．as soon as | C．since | D．before |