The field research will take Joan and Paul about five months; it will be a long time ________ we meet them again.
A.after | B.before | C.since | D.when |
---Who is the girl standing over there ?
---Well , if you ___know , her name is Mabel .
A.may | B.can | C.must | D.shall |
Tom sat under a tree and seeing his friend, __ up in no time.
A.to stand | B.standing | C.stood | D.would stand |
I saw him ______ at desk, reading.
A.sat | B.seated | C.seating | D.seat |
I used to drink a lot of tea but these days I ______ coffee.
A.prefer | B.preferred |
C.had preferred | D.am preferring |
--- Did he notice you enter the room?
--- I don’t think so. He ______ to the radio with his eyes shut.
A.listened | B.was listening |
C.has listened | D.had listened |