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21£®Tom is _____ English boy and Darning is _____ Chinese boy£®
A£®a, an            B£®an, a            C£®a, a          D£®an, an
22£®-_____ are you? -I am thirteen£®
A£®Where           B£®What           C£®How old      D£®How
23£®- Are you friends? -_____
A£®Yes, we are£®   B£®Yes, I am£®     C£®No, we are£®  D£®Yes, it is£®