— You’ve dropped ________ “s” in the word “necessary”.
— Oh, ________ letter “s” is doubled.
| A．a; a | B．a; the | C．an; the | D．the; the |
--- _____________ John and his mother often watch tennis matches on TV?
--- Yes, they _____________.
| A．Do; are | B．Do; do | C．Does; does | D．Are; are |
--- Is Sandy your classmate?
--- Yes. She sits between Tom and _____________.
| A．my | B．I | C．mine | D．me |
It rained heavily _____________ a cold evening _____________ 2008.
| A．on; in | B．on; at | C．at; on | D．in; at |
--- Would you like _____________ orange, Grandpa?
--- Yes, I’d like to have _____________.
| A．a; an | B．an; an | C．a; one | D．an; one |
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