The "beginning of a month" has the similar expression as "first half of a month"

At the beginning of a thank-you letter, you should express appreciation for their help and support.()

The step-test was given ______.

A．at the beginning and at the end of the 7-week period

B．after each exercise period

C．only at the beginning of the 7-week period

D．only at the end of the 7-week period

A.at the beginning

B.at the end

C.in the middle

D.at both the beginning and the end

A.is scheduled to begin

B.is scheduled to beginning

C.schedules to begin

D.schedules to beginning

3D printing is just at the beginning stage. It is not ____.

A、mature

B、ripe

C、grown

A.开始

B.蝴蝶

C.感动

D.回复

A.create

B.creation

C.creative

In the big Woods the snow was beginning to (thaw).

A、melt

B、sink

C、fall

D、glow