44. —Look!The boy is doing some washing. —He is only eight years old, but he is very ________.
_______ interests me most in the world is the natural beauty of Guilin.
Idon’tthink______possibletomasteraforeignlanguagewithoutmuchmemorywork.
______forsometimeafteratiringdayisveryenjoyableandexcitingformeinsummer. ASwimB.SwimmingC.Goswimming D.Toswim
We believe scientists will ________a way to solve the problem of air pollution.
Hiswife______hischildrenwasinvitedtotheparty.