Jack must be helping his grandma to water the flowers, ________?
| A．is he | B．isn’t he | C．must he | D．mustn’t he |
The theory ________ by Einstein was later to prove true, but at that time few people could accept it.
| A．put out | B．put together | C．put aside | D．put forward |
The cakes are delicious. He’d like to have ________ third one because________ second one is rattler too small.
| A．a; a | B．the; the | C．a; the | D．the; a |
His studies on literature are very varied, ________ from Chinese literature to westurn literature.
| A．ranges | B．containing | C．ranging | D．covering |
The person who ________ advantage of the girl ________ a disadvantage didn’t gain an advantage ________ her .
| A．made; in ; over | B．took; at ; on | C．took; at; over | D．made; at; over |
—You like the Lenovo Computer. Why not buy one?
—Well. I can’t afford ________ computer.
| A．that expensive a | B．a that expensive | C．that an expensive | D．an expensive that |