问题
完形填空
—Where is Mother?
—She is in the kitchen. She ________(do) the housework all morning.
答案
has been doing
考查动词时态。句意表示母亲一上午都在做家务，现在仍在厨房做，故应用现在完成进行时表示从过去至今一直在持续的动作。
搜题请搜索小程序“爱下问搜题”
—Where is Mother?
—She is in the kitchen. She ________(do) the housework all morning.
has been doing
考查动词时态。句意表示母亲一上午都在做家务，现在仍在厨房做，故应用现在完成进行时表示从过去至今一直在持续的动作。