_____earth scientists understand how and why earthquakes happen, forecasts are usually inaccurate.
A.As | B.While | C.Because | D.If |
It’s nice to hear from her again. ________, we last met more than thirty years ago.
A.What’s more | B.That’s to say |
C.Believe it or not | D.In other words |
The old man, ________ abroad for twenty years, is on the way back to his motherland.
A.to work | B.having worked |
C.to have worked | D.working |
After five days’ climbing in the mountain, they reached ________ they thought was the place they’d been dreaming of.
A.that | B.which |
C.where | D.what |
It is ________ he is often late for school ________ makes his teacher angry with him.
A.because; that | B.that; that |
C./; that | D.what; that |
— I promise my daughter that she ________ get a nice present on her birthday.
— I think it will be a big surprise to her.
A.must | B.shall |
C.might | D.need |