Not only are students in China suffering from this problem, but kids in the United States are also ________ heavy school bags..
| A．kept up with | B．come down with |
| C．ended up with | D．fed up with |
I didn’t get a pay rise, but that wasn’t the right reason _______I left.
| A．how | B．at which | C．when | D．for which |
He started to study ecology and decided to _______his whole life to the science.
| A．ignore | B．devote | C．prefer | D．lead |
Recently our government policymakers are very _______about the rapidly rising food costs.
| A．upset | B．confused | C．concerned | D．conscious |
Disappointingly, the new computer, ________ he loves a lot, breaks down frequently.
| A．which | B．what | C．that | D．one |
----I don’t suppose the police know who did it.
----Well, surprisingly they do. A man has been arrested and _____ now.
| A．has being questioned | B．is questioning |
| C．has questioned | D．is being questioned |