— when has the country been open to international trade? —1978，I suppose.
| A．Since | B．In | C．From | D．After |
相关试题
It was raining heavily. Little Mary felt cold, so she stood_____ to her mother.
| A．close | B．closely | C．c losed |
D．closing |
The teacher couldn’t make himself attention to because the students were so noisy.
| A．to pay | B．to be paid | C．paid | D．pay |
My father served in the army in when he was in .
| A．1950s; twenties | B．the 1950s; his twenties |
| C．the 1950s; the twenties | D．1950s; the twenties |
—Would you like me to carry this box for you?
—_________.I can manage it myself.
| A．No, thanks | B．It’s a pleasure |
| C．That would be nice | D．Yes, please |
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